The Map Reading Company
A video about a gate
updated
In this video we’ll go through:
How to find the straight line distance to a summit and work out how long it will take to get there. Plus: use a compass to get the height of a mountain.
00:00 Intro
00:55 Get the angle to the summit of a mountain
02:56 Get the distance to the top of a mountain
09:08 Naismith’s Rule
12:18 Use a compass to get the height of a mountain
Links to the other videos mentioned in this video:
How to use pacing: youtu.be/Fls-y7qeEtk
How to take a compass bearing and follow it: youtu.be/eAdo3uJUzoQ
Everything you need to know about Naismith’s Rule: youtu.be/1XmI8RHy4kU
If you have any comments or questions – post them in the comments box
It sounds convincing, but the truth is: it doesn’t work.
In this video we test the so-called “sun stick compass” method and show exactly what happens to the shadow as the Sun moves across the sky. You’ll see why the common demonstration gives misleading results, and why your East–West line could easily be wrong.
We’ll explain the science behind the shadow’s movement:
• why the tip of the shadow drifts west in the morning, reverses at solar noon, and then moves east in the afternoon,
• how solar altitude and azimuth affect the position of the shadow,
• and why simply joining two random shadow marks is not a reliable navigation method.
Then we’ll demonstrate the correct method, sometimes called the “equal shadow lengths” or “circle method.” This approach actually works, and it can be used:
• anywhere on Earth,
• on any day of the year,
• without needing a compass or watch.
If you’re interested in survival skills, bushcraft, navigation without a compass, or just understanding how the Sun and shadows really behave, this video will give you the clear explanation (and demonstration) you won’t usually see online.
The "search pattern" video mentioned in this video - youtu.be/SXd8MsM8dzw
More importantly, we’ll explore why this happens. What’s really going on inside the needle when it suddenly decides north is south? We’ll dig into the hidden physics — electron spins, magnetic domains, and how they all line up to make your compass behave.
By the end, you’ll see why a reversed compass still points north–south (just the wrong way round), and why it will never, ever point east–west. You’ll also see how a simple repair can sometimes bring it back to life — and when it might be easier to just get a new one.
If you’ve ever wondered what’s happening inside that little sliver of steel that always points the way, this video is for you.
• Small stones on top of bigger rocks — the ones that catch you out when you least expect it.
• Loose scree slopes — how to walk them without ending up on your backside.
• Medium-sized rocks and boulder fields — where testing your footing really matters.
• Rock-filled slopes and gullies — the places where rocks don’t just move under your feet, but sometimes above you too.
I’ll show you what’s going on underfoot when rocks shift, why we slip in the first place, and most importantly, what to do instead. You’ll learn simple techniques to stay upright, protect yourself and others, and move with more confidence over tricky ground.
Whether you’re hiking in the UK’s Lake District, scrambling in Snowdonia, or tackling bigger mountain terrain further afield, the same principles apply. Rocky ground is part of the adventure — and with the right approach it doesn’t have to be dangerous.
If you’ve ever wondered “how do I actually walk across scree?” or “what do I do in a boulder field?” this video is for you.
We start with the prime question: “Which way should I go from here?” and build from there, covering a full range of essential navigation skills:
• Map orientation — how to match the map to the real world
• Map types — and how to choose the right one for your walk or hike
• Distances and map scales — working out how far you need to travel
• Contour lines — reading the shape and steepness of the land
• Handrailing — using paths, rivers, walls, or other features to guide you
• Collecting and catching features — keeping track of your position as you go
• Terrain association / feature recognition — identifying what’s around you and matching it to the map
You’ll also see these skills in action as we plan and follow a route back to the car, using every technique we’ve covered. Normally you might only use one or two skills, but here you’ll learn to recognise each in real time, helping you understand when and why they’re useful.
This video is perfect for beginners learning how to read a map, hikers who want to improve their basic navigation skills, or anyone preparing for walking, trekking, or outdoor adventures where a GPS alone isn’t enough.
By the end, you’ll have the knowledge and confidence to plan safe routes, avoid getting lost, and enjoy the outdoors with a whole new level of freedom. Whether you’re exploring local footpaths or heading into the hills, these are the map reading skills every walker should know.
Video chapters:
00:00 Intro
02:15 Which way do I go from here
03:00 Orient your map
04:15 Following tracks
06:16 What type of map to get
06:53 Choosing the right track
07:35 Distance to walk
08:54 Hand swipe direction
10:19 Map scales
14:29 Contour lines
19:00 Is it uphill or downhill
19:17 What is a re-entrant
19:58 Is it uphill or downhill (continued)
21:57 Handrailing
24:08 Collecting and catching features
27:33 What are features, icons and symbols
29:23 Feature recognition / Terrain Association
32:45 Recap
33:27 Route planning
36:00 Following a route
39:06 The non-existent stone circle
We’ll also be diving into where the myth – that most of your body heat escapes from your head – comes from.
It’s a great question, and the answer is… well, not entirely straightforward.
I don't think there is any specific law preventing anyone from teaching anyone else something in the UK, even if you’re being paid. The problems will come if something goes wrong.
In this video, I explain the difference between sharing a skill and being responsible for others in the hills. We look at what changes legally when money (or any kind of benefit) is involved — and why leading a group in potentially hazardous environments without proper training could put you at risk.
⚠️ Just to be clear:
I’m not a lawyer, so this isn’t legal advice — it’s simply how I understand things as someone who works in the outdoor industry.
We cover:
• What counts as “working” under the law
• What it means to be professionally responsible
• How risk and responsibility change when you're in the hills
• A real-world example of a mountain rescue incident
• Why formal qualifications matter — not just as a badge, but for legal protection
• And how to verify someone’s qualifications before joining a course
🎒 Whether you’re teaching friends, volunteering for a club, or running paid sessions — it’s crucial to know where the legal and ethical boundaries lie.
🚁 I also show how a rope can be used as a simple safety backup on steep, slippery ground — but stress why this kind of thing should never be learned from YouTube alone. Training with a qualified provider is essential.
🧭 If you’re looking for navigation training, I’ve linked some respected providers below. And yes — you can check my own qualifications online too.
👇 Got thoughts or questions? Leave them in the comments. And if you are a lawyer — feel free to correct anything I’ve got wrong!
Here are a two two Tube Channels I would recommend. I have watched quite a few of their videos and they are excellent - also if you're looking for leadership training, the feedback I have is that their course are definitely worth it:
Abacus Mountain Guides
youtube.com/@abacusmountainguides3295?si=sce7N8bdMZttH77j
JB Mountain Skill
youtube.com/@JBMountainSkills?si=NcpCQ2Bz7OPun6VJ
Also, of course, the two UK Outdoor Centres offer every type of course there is:
Plas y Brenin
youtube.com/@plasybrenin?si=dVZTf8Fxzd87PSu8
Glenmore Lodge
youtube.com/@glenmorelodge?si=aS9T6jseZPKegbP2
NOTE - I have no connection at all to any of the 4 YT channels mentioned.
So, even though this is normally a channel about land navigation, here I am — walking through the hills — trying to unravel Shakespeare’s most famous line.
This video dives into Hamlet’s soliloquy from Act 3, Scene 1 of Hamlet, exploring what Shakespeare might have meant, why the language can be so difficult to interpret, and how this speech continues to resonate with people today.
We look at key lines and phrases like "fardels", "bare bodkin", and the “undiscovered country”, and try to put them in context. Is Hamlet talking about suicide? Maybe. But maybe it's also about fear, doubt, and the human tendency to overthink.
I’m not a literature professor, so this is just one take — but hopefully it helps Emma (and maybe others) begin to see what Shakespeare was getting at.
I’m not sponsored by any sock or boot brand. I’m not quoting marketing departments or gear review websites. I’m just someone who’s spent years walking in the hills and seen a lot of people fall for overpriced gimmicks.
Topics covered:
• Why “wicking socks” make no sense in boots
• Why thick, padded socks can cause more blisters, not fewer
• Why Gore-Tex socks are… just baffling
• And the one exception where expensive socks might make sense (hint: it’s medical or winter-related)
💬 Feel free to disagree in the comments — I know some people are passionate about their socks. But if you’re walking in ordinary conditions, my advice is simple:
👉 Spend your money on boots that fit. Not on socks.
🧦 (For the record: today I’m wearing supermarket socks — 5 pairs for £4.)
🎒 If you're planning long-distance or winter walks, or have a medical reason, then yes, higher-end socks might help. But for 99% of hillwalkers? Save your cash.
This is a practical session (not a classroom in sight) introduction to using a sighting baseplate compass (also called a mirror compass). We’ll walk through every part of the compass, explain what each feature does, and then show you exactly how to use it to navigate — with or without a map.
In this guide, you’ll learn how to:
✅ Walk towards something you can see on the ground
✅ Take a bearing from a map and follow it
✅ Find your location using back-bearings
✅ Adjust for magnetic declination
✅ Measure slope angles — with or without an inclinometer
I’ve included timestamps so you can jump to the part you need — or treat it like a mini-course and follow along one skill at a time.
This isn’t about fancy gear or complicated theory — it’s about using a compass properly, avoiding common mistakes, and understanding how to apply it in the real world.
Got questions or something to add? Drop it in the comments — I’d love to hear how you use your compass in the hills.
00:00 Intro – Baseplate VS Mirror compass accuracy
02:10 ALL parts of a Mirror Compass identified
14:19 How to use Silva Mirror Compass
17:31 Suunto Mirror Gradient Guides
19:08 How to take bearing to a ground feature
23:20 How to stay on a bearing
26:17 How to follow a bearing to a ground feature
29:57 Take a bearing from a map
33:57 Find your location on a map
40:50 Identify a ground feature on a map
46:43 Dealing with / Adjusting for - declination
Link to the 5 D's video mentioned youtu.be/0zbCEXj_29U
Link to the print-out mention (I'll add this within 24 hours of the video being published)
Oh, the walking "uphill" video is here: youtu.be/kohoA918qGg
In this video, I share a few tips that should help you come down safely and in control. OK, your instinct might be to walk sideways — but please don’t. It won’t help, and it could actually do harm. From ankle strain to knee pain, a lot can go wrong if you’re not using good technique.
We’ll go through:
– Why walking sideways is riskier than it feels
– How to position your feet for grip and control
– A simple trick to save your knees
– Why your boots (and muscles) need to work together
Whether you’re hiking in the hills or just heading down a steep path, these small changes make a big difference. As always, it’s your choice — but give it a go next time and see what works for you.
Usually, Neolithic hut circles are found alone — but here, they form a row of interconnected homes, alongside the remains of large rectangular structures. This wasn’t just a dwelling — this was a village.
In this video, we explore a quiet field that holds a remarkable secret: the footprint of an ancient community. These hut circles, hidden in plain sight, tell a story of people who lived, farmed, built, and raised families during the same centuries that the pyramids were rising in Egypt and the earliest laws were being written in Mesopotamia.
It’s a reminder that layers of history can lie side by side: a 150-year-old wall built atop a 5,000-year-old village.
In this video, we’ll explore what benchmarks are, how they work, and the shocking truth behind what “height above sea level” really means — especially if you live in the USA, Canada, New Zealand, Germany, or (depending on when you're watching) Australia.
🔍 You’ll find out:
• What benchmarks actually measure
• Why “sea level” might be a myth in your country
• How a benchmark in Wales was measured to within 0.01mm… from 434 million millimetres away
• Why American elevation is based on a spot in Quebec
• And why Germany’s heights are based on Amsterdam... in the 1700s
💬 Join the experiment!
After watching, leave a separate comment for each fact you already knew ("I already knew that…") and each thing you just learned ("I didn’t know that…"). Don’t forget to mention your country.
Link to OS database:
ordnancesurvey.co.uk/geodesy-positioning/legacy-data/benchmark-search
These erratic boulders are made of greywacke, a tough, dark stone that originated in the ancient Silurian mountains over 400 million years ago. The pedestal rocks beneath them, however, are much younger—carboniferous limestone laid down in a shallow tropical sea around 330 million years ago. So how did older rocks end up resting on younger ones?
During the last Ice Age, vast glaciers moved south from the high ground, plucking and transporting enormous boulders as they went. As the ice advanced, it carved out deep valleys and reshaped the land. When the glaciers melted—around 12,000 years ago—they left behind all the rock and debris they had carried. Some of these boulders landed on patches of limestone, where they’ve sat ever since.
Over thousands of years, rain and wind eroded the exposed limestone—but the rock beneath each erratic was shielded from the elements. That’s what created the pedestals: a natural process that turned scattered debris into one of the most surreal and scientifically important geological sights in Britain.
In this video, we’ll explore how they got here, what they reveal about Britain’s glacial past, and why these seemingly simple rocks tell a story that stretches back hundreds of millions of years.
The truth is, most people out there are just carrying their poles rather than using them in a way that offers any real benefit. And you know what? That’s fine. If holding poles gives someone confidence, that’s a good thing in itself.
But if you do want to get a physical benefit from poles — to make walking easier, safer, and more efficient — then it helps to understand a few key techniques. I’ll show you how to set the poles to the right height, how to use them when going uphill or downhill, and how to use your upper body to take the strain off your legs.
No gatekeeping here. No ‘experts’ telling you you’re doing it wrong. The countryside isn’t a training ground for elite athletes — it’s for everyone. These are your poles, and you can use them how you like. But if you want to get more out of them, I’ll show you how.
In this video, I’ll walk you through:
• What a compass lanyard is (and what it isn’t for)
• Common lanyard features — from map scales to built-in screwdrivers
• Why you should never wear one around your neck
• The safest and most practical way to attach your compass
• Simple tips to customize or upgrade your lanyard for better performance
I’ll also share how I personally set mine up using a small loop and mini carabiner — and why most stock lanyards are just a bit too short for proper use.
If you're learning navigation or just want to avoid dropping your compass in a bog, this really is worth a few minutes of your time.
In this video, I’ll show you one effective way to lace and tie your walking boots so they stay secure and comfortable all day. It’s simple, reliable, and easy to remember once you’ve seen it in action.
You'll learn:
• Why walking boot laces are different from regular shoe laces
• How tension equalizes along the lace — and why that matters
• A simple knot variation (inspired by the surgeon’s knot) that locks your laces in place
• How to stop your loops from slipping or coming undone during a long day in the hills
There are plenty of ways to lace boots — this is just the method I use, and it works. Whether you're hiking, hillwalking, or out in rough conditions, keeping your boots secure can make a big difference to comfort and injury prevention.
Oh the "walking downhill" video is here: youtu.be/3jsQMDe1GYI
In this video, I’ll show you exactly how to walk uphill in a way that uses the least amount of energy possible. It’s all about using your strongest muscles — your thighs and glutes — and learning a few simple tricks that can make a big difference out on the trail.
You’ll learn:
• Why your body gets tired on hills (and how to fix it)
• The #1 rule for efficient uphill walking: land your foot under your body
• Why shorter steps and zig-zagging save you energy
• How small changes in technique can make big climbs feel easier
Once you get the hang of this, you’ll wonder why you ever walked any other way. Perfect for hillwalkers, hikers, mountain leaders in training — or anyone who’s sick of feeling wrecked halfway up the slope.
We’ll cover:
How to line up your compass with two points on the map
What to do if your compass has (or doesn’t have) declination adjustment
The difference between orienting arrows and orienting lines
A step-by-step method to get a precise bearing using map grid lines
Why this matters for serious navigation in the hills
This technique is ideal for anyone looking to improve their map and compass skills, whether you’re just starting out or heading towards more advanced hillwalking and off-path navigation.
What followed is one of the most chilling and bizarre episodes in English folklore: a trial for witchcraft, a public execution interrupted by a freak storm, and a royal pardon from King Charles II himself.
Set against the twisted backdrop of “Meg’s Wood,” where even the trees seem to whisper her name, this story blends historical fact with enduring legend.
Was Margaret Halsall truly a revenant—or just a victim of fear, ignorance, and a rare medical condition?
Watch to the end, and decide for yourself.
Leave a comment if you've ever visited Meg’s Wood.
Oh—and I’ll show you how to calculate the actual size of the Earth using nothing but your phone (something Columbus definitely didn’t have).
In this video, I’ll show you how to safely disassemble and reassemble three popular compasses: the Cammenga 3H lensatic, the Silva Expedition 4, and the Suunto M3 Global. While the Cammenga is designed for easy disassembly, the Silva and Suunto are not, and if handled incorrectly, they can be damaged beyond repair—so think carefully about whether it’s really necessary before you start.
I’ll walk you through a careful, step-by-step method that lets you take apart each compass without breaking critical components. If you follow along, take your time, and don’t rush, you’ll be able to clean or repair your compass and put it back together so it works like new.
In this video, I’ll show you how to safely disassemble and reassemble three popular compasses: the Cammenga 3H lensatic, the Silva Expedition 4, and the Suunto M3 Global. While the Cammenga is designed for easy disassembly, the Silva and Suunto are not, and if handled incorrectly, they can be damaged beyond repair—so think carefully about whether it’s really necessary before you start.
I’ll walk you through a careful, step-by-step method that lets you take apart each compass without breaking critical components. If you follow along, take your time, and don’t rush, you’ll be able to clean or repair your compass and put it back together so it works like new.
In this video, I’ll show you how to safely disassemble and reassemble three popular compasses: the Cammenga 3H lensatic, the Silva Expedition 4, and the Suunto M3 Global. While the Cammenga is designed for easy disassembly, the Silva and Suunto are not, and if handled incorrectly, they can be damaged beyond repair—so think carefully about whether it’s really necessary before you start.
I’ll walk you through a careful, step-by-step method that lets you take apart each compass without breaking critical components. If you follow along, take your time, and don’t rush, you’ll be able to clean or repair your compass and put it back together so it works like new.
Since bubbles are now considered "normal," this video reveals the real reasons they appear and demonstrates a reliable method to repair your compass, extending its lifespan for years to come.
0:00 The real reason bubbles form in a compass
3:26 How to test who the air got in
7:15 How to repair your compass
11:38 How to DIY degas compass fluid
14:45 Warming the compass fluid to degas it
18:50 Disassembling and emptying your compass
24:03 Refilling your compass
25:50 Resealing your compass
29:50 Finishing off the repair
In this video, I’ll explain how Induction Damping works and provide a simple breakdown of the physics behind this effective compass technology. I’ll be demonstrating with a Cammenga 3H lensatic compass, but many other models use virtually the same system.
If you have any questions or thoughts on this fascinating topic, feel free to share them in the comments!
A great way to start is by drawing a simple map of a familiar room. This introduces key concepts like spatial awareness and the meaning of colours on a map. From there, we take it outside with the Nine-Tree Forest game—a hands-on way to teach direction, mapping, and navigation through play.
The game involves setting up nine objects in a 3x3 grid, labelling directions (North, South, East, West), and guiding kids to follow routes using simple maps. As they progress, we introduce real maps, starting with small, easy-to-read sections of familiar areas.
Later, we can add a compass, keeping it fun and practical. Teaching them to set bearings and move toward specific points builds confidence in navigation.
There are countless ways to teach map reading, but the key is to make it enjoyable and give kids plenty of time to absorb the skills. If you’ve used other techniques, drop a comment—I’d love to hear your ideas!
#MapReading #KidsLearning #Navigation
00:00 Intro
01:38 How children learn – they have plenty of time
03:37 Make it fun – get outside – start with something familiar
06:02 Introduction to the Nine Tree Forest (Nine Tree Wood)
07:56 How to use the Nine Tree Forest
09:51 Extending the Nine Tree Forest
11:41 Introduce real maps
13:22 Progressing on from the Nine Tree Forest
15:06 Getting out and following a map
16:31 How to teach a child to use a compass
20:42 Put it all together
Shakespeare’s Richard III turned the last Yorkist king into a scheming villain, reinforcing the Tudor narrative. But was Richard III really the monster history remembers? Or was his reputation crafted to serve the Tudor dynasty?
Let’s dive into how the Tudors used propaganda to shape history—without making it seem like propaganda.
#History #Tudors #RichardIII #Shakespeare #Propaganda #WarOfTheRoses
Magnetic declination (or grid-magnetic angle) changes over time as the magnetic north pole moves. Your map might give you an estimate, but what if you want to know the precise declination for your location right now?
In this video, I’ll show you a simple, reliable method to determine your exact declination using just your compass, a map, and an easy-to-remember rule:
👉 If the grid bearing is greater than the magnetic bearing, declination is East.
👉 If the grid bearing is less than the magnetic bearing, declination is West.
With a quick example, you’ll see just how easy it is to get an accurate declination reading—no guessing, no outdated estimates.
#Navigation #Compass #MagneticDeclination #Orienteering #LandNav
I’ll also break down all 23 features of this compass—though if I’ve missed any, let me know in the comments!
Finally, I’ll review the compass in detail and try answer to question: Is it actually any good? Also I’ll examine why Neodymium was included and what effect it has on performance.
You may use these timestamps and links to go to any section of the vide and/or view any linked material I mention.
00:00 Intro
00:33 Disclaimer
01:39 Why is it called “Neo”
03:04 Parts identification
This is available for download mapreading.co.uk/wp-content/uploads/2025/02/Silva-Expedition-Neo.pdf
04:56 Take a bearing (azimuth) from a map
06:45 Declination
07:42 Declination: manual adjustment
08:29 Following a bearing
09:01 Following a bearing (red-in-the-shed)
09:51 What are “features”
10:33 Declination: semi-permanent adjustment
12:13 Measuring distances
12:30 Roamer or Metric Scale
12:42 Use of the Marking Hole
13:48 Use of the Inclinometer
Link to Inclinometer video
youtu.be/4LR14ue0Gz8
15:09 Review – is it good or bad ?
17:02 Baseplate improvement suggestions
20:07 Needle composition
21:09 Paul Messner’s YouTube Channel
For information on outdoor equipment
@PaulMessner youtube.com/@PaulMessner
21:20 If it’s not broke, don’t fix it ?
22:03 How compass needle magnets work
23:24 The Silva Expedition Neo: Neodymium, Iron and Boron
23:42 The Silva Expedition Neo the needle’s composition
24:48 Is the needle rugged enough ?
25:13 Resistance to demagnetisation
26:45 Do you need to buy a Neo, now ?
If you ever find yourself lost in the wilderness with no map or GPS, knowing how to use a NATO survival compass (or in fact, any compass) could be the difference between finding your way out or spending a long, uncomfortable night outdoors. This isn't a toy or a fashion accessory—it’s a serious military tool designed for survival situations.
In this video, we break down everything you need to know about using this simple yet effective navigation tool. Unlike standard compasses, the NATO survival compass is built for escape, evasion, and self-rescue, not land navigation with a map.
We’ll cover:
How the compass works (its minimalist, no-frills design)
Using cardinal directions to orient yourself and find your way
A structured search method to retrace your steps and get un-lost
This knowledge isn’t just for military personnel—it’s for hikers, explorers, and anyone who loves the outdoors. Even if you don’t have a compass, we’ll show you alternative methods to find your way back safely.
~~~~~~~~~~~~~~
Link to the Sun navigation video: youtu.be/M3Mnp5CyilA
Like to the manufacture’s website: pyseroptics.com/natosurvivalcompass
However, despite its widespread use, finding clear instructions is almost impossible, this is the reason I have uploaded this video. There are no official online guides, and the instruction booklet that comes with the compass is, to put it mildly, difficult to understand.
The Proster IP65 is a lensatic compass, meaning it works like others of its type. However, it does include a unique feature: an Estimation Table on the back. This helps users approximate distances to landscape features and gauge height variations—a handy addition for navigation and outdoor adventures.
If you have any questions or comments about this vide please put them in the comments box.
******************
Link to the declination videos mentioned in the video:
WAvES - how to adjust for declination youtu.be/Tf9rrmq5Vf8
What is declination - (simple answer) youtu.be/Ye5jI9LGpc8
Declination Simplified - youtu.be/qXCIb-TNBME
******************
List of compass features:
1 Sighting notch
2 Thumb loop
3 Adjustable lens
4 Inclinometer scale
5 Inclinometer
6 Metric ruler
7 Sight line
8 Reticule
9 Prism (which is useless)
10 1:25K scale
11 Index line
12 Spirit level
13 Luminous bezel marked in degrees
14 Bezel prism
15 North line - points at 360 on the bezel
North pointing arrow
16 Magnetic disk marked in degrees and cardinal points
17 (on rear) Estimation table
18 (on rear) Tripod mount
Here’s the real question: Why can you move something so heavy with just a tiny push? The secret lies in physics—specifically torque, force, and pivot points.
Try this: push the gate near the hinge, and it barely budges. But push near the edge, and it swings open effortlessly. That’s torque in action! It’s the same reason using a long wrench makes loosening a bolt easier.
But before we dive deeper, let’s take a quick detour into Newton’s Laws of Motion (don’t worry, I promise to keep it simple!). Imagine my trusty compass floating in space. If I push it, it moves in a straight line—because force = mass × acceleration (hello, Newton’s Second Law!). The heavier the object, the more force it takes to move it. That’s called inertia—an object’s resistance to change.
Now, what happens when an object isn’t moving freely but is fixed to a pivot point, like our gate hinge? That’s where torque comes in. Torque is just the rotational version of force—it’s what makes objects spin instead of just moving in a straight line.
Torque depends on three things:
• How much force you apply.
• How far from the pivot point you apply it.
• The angle at which you apply the force.
For example, pushing at a right angle to the gate is much more effective than pushing at an awkward angle. That’s why doors have handles far from the hinges—it maximizes torque with minimal effort! 🚪💡
So, back to our original question: Why can you open a heavy gate with just a little push?
👉 It all depends on where you push! Apply force in the right spot, and you barely need any effort at all. That’s physics, baby!
🚀🔧 #Physics #Torque #NewtonLaws #HowThingsWork
In this video, we’re keeping it simple—no full FOP here! Instead, we’re focusing on the three key elements of land navigation:
1 Direction – Which way do I throw my rock? 🧭
2 Distance – How far does my rock need to travel? 📏
3 Deviation – Is my target higher or lower than me? 📉📈
Once I have these three things, I should be able to land my rock exactly where I want it. (Or, at least close enough… physics willing. 😆)
But this isn’t just useful in a military setting—hikers, campers, and outdoor adventurers can use the same principles. Need to find your campsite? If you know your Direction, Distance, and Deviation, you can estimate how long it’ll take to get there.
But wait—why bother with compass calculations when we have GPS and laser rangefinders? Simple: technology can fail. Even today, on a high-tech aircraft carrier, officers still use a sextant to confirm the ship’s position. Why? Because no matter what, the sun will still rise, the horizon will still be there, and the captain will still know where they are.
It’s the same with land navigation. Tomorrow, your compass will still point north, and the laws of geometry will still hold true. So let’s dive in and break down the basics!
Link to the Father Ted video: youtu.be/MMiKyfd6hA0?si=5hV3cSAxduV-vZ1w
In this video, I’ll share my take on the origins of England, Scotland, and Wales as we know them today. My answer? It all began in 937, over 1,000 years ago.
Back in the 10th century, Britain was divided into competing kingdoms:
• In the North: Alba (northern Scotland), led by King Constantine, and Strathclyde (southern Scotland, parts of northern England and Wales), ruled by King Owain.
• Northern England: Controlled by Norse-descended Earls of Northumbria, based in York, and linked to the Norse Kingdom of Dublin under King Olaf Guthfrithson.
• Central and Southern England: Ruled by King Athelstan, who united Wessex and Mercia but hadn’t yet formed “England.”
Viking raids and settlements had challenged both the Anglo-Saxons and Celts for decades. By 928, Athelstan defeated the Earls of Northumbria, prompting King Constantine and others to form an alliance.
The tension culminated in 937 at the Battle of Brunanburh (likely in the Wirral). This bloody conflict saw Athelstan’s Anglo-Saxon army decisively defeat the combined Celtic and Viking forces.
This victory was pivotal:
1. It defined England’s borders, confining the Celts to Scotland and Wales.
2. It unified Wessex and Mercia into a single Kingdom of England.
As for Scotland, its modern borders were largely established in 1018 after the Battle of Carham, where Alba and Strathclyde forces defeated the English.
Wales’ borders have evolved gradually, starting with Offa’s Dyke in the 8th century, Edward I’s conquest in the 13th century, and the Acts of Union under Henry VIII.
So, when did England begin? 937. Scotland followed in 1018, and Wales became formally integrated later on.
Explore the fascinating origins of these nations and how history shaped the Britain we know today.
The navigation strategy you choose will depend on loads of factors—your skill level, weather conditions, the terrain, visibility, your group, the gear you’ve got, and even the time of day. It’s all about adapting to the situation.
In this video, we’ll break down some of the most commonly used land navigation techniques, including:
• Orienting a map
• Collecting and catching features
• Terrain association (or recognising features)
• Interpreting contour lines
• Using slope aspect (the direction a slope faces)
• Following a compass bearing
• Timing and pacing
Chances are, if you’ve spent time walking in the hills, you’re already using some of these methods—even if you don’t know their official names! This guide will help you refine your skills and give you a clearer understanding of how to use them to navigate like a pro.
Here, we focus on two critical aspects:
1. Starting Position: Quantum Navigation needs an accurate starting point. We explain methods like manual entry using accurate maps, triangulation with LIDAR or radar, and even spacecraft navigation using stars. These techniques ensure pinpoint accuracy, no matter where you are.
2. Timing Precision: Even the smallest timing errors can disrupt navigation. Imagine flying an aircraft at 500 mph—being off by just one second could result in landing miles off course.
That’s where quantum clocks come in. Using optical transitions in atoms, they outperform atomic clocks in precision. With their stability, quantum clocks are being tested in military applications like the UK Ministry of Defence’s trials on warships.
Link to the video “what is the difference between a hill and a mountain”
youtu.be/2EXFSN3Nv88
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Here’s a step-by-step approach formatted with plain text and numbers only while still describing the logic so a reader can follow it:
________________________________________
Correct Watch (2 weeks):
1. Walking Details:
o Speed: 1 mile per hour.
o Time per interval: 15 minutes = 0.25 hours.
o Direction change after each interval: 2 degrees.
o Total travel time: 336 hours.
o Number of intervals = 336/0.25=1344336 / 0.25 = 1344.
2. Northward and Eastward Movement:
o For each interval:
Northward movement = 0.25×cos(θ)0.25 \times \cos(\theta), where θ\theta is the cumulative direction.
Eastward movement = 0.25×sin(θ)0.25 \times \sin(\theta), where θ\theta is the cumulative direction.
3. Add Up Movements:
o Start at 0,00, 0 (north = 0, east = 0).
o For each of the 1344 intervals:
Update north by adding 0.25×cos(θ)0.25 \times \cos(\theta).
Update east by adding 0.25×sin(θ)0.25 \times \sin(\theta).
Update θ\theta by adding 2 degrees.
4. Final Position:
o The total northward and eastward movements give the final coordinates relative to the starting point.
5. Distance Back to Start:
o Total distance back = square root of (total northward movement)2+(total eastward movement)2(\text{total northward movement})^2 + (\text{total eastward movement})^2.
6. Compass Bearing:
o Bearing = angle such that (eastward movement)/(northward movement)(\text{eastward movement}) / (\text{northward movement}) defines the direction from the final position to the starting point.
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Fast Watch (2 weeks):
1. Interval Adjustment:
o New interval time: 14 minutes, 59.75 seconds = approximately 0.2499306 hours.
o Number of intervals = 336/0.2499306≈1344.292336 / 0.2499306 \approx 1344.292.
2. Movement Calculation:
o For each interval:
Northward movement = 0.2499306×cos(θ)0.2499306 \times \cos(\theta), where θ\theta is the cumulative direction.
Eastward movement = 0.2499306×sin(θ)0.2499306 \times \sin(\theta), where θ\theta is the cumulative direction.
3. Add Up Movements:
o Start at 0,00, 0 (north = 0, east = 0).
o For each of the 1344.292 intervals:
Update north by adding 0.2499306×cos(θ)0.2499306 \times \cos(\theta).
Update east by adding 0.2499306×sin(θ)0.2499306 \times \sin(\theta).
Update θ\theta by adding 2 degrees.
4. Final Position:
o The total northward and eastward movements give the final coordinates relative to the starting point.
5. Distance Back to Start:
o Total distance back = square root of (total northward movement)2+(total eastward movement)2(\text{total northward movement})^2 + (\text{total eastward movement})^2.
6. Compass Bearing:
o Bearing = angle such that (eastward movement)/(northward movement)(\text{eastward movement}) / (\text{northward movement}) defines the direction from the final position to the starting point.
Quantum Navigation measures motion and location with extraordinary precision by cooling atoms with lasers to create a unique state of matter called a Bose-Einstein Condensate (BEC). These atoms act like a "super-atom," allowing for precise calculations of position, acceleration, and direction without relying on satellite signals.
The UK Ministry of Defence is already testing this ground-breaking technology aboard Royal Navy ships, hinting at its potential to replace GPS in the future. Imagine a world where navigation systems are immune to signal disruption, offering unparalleled accuracy anywhere on Earth.
Will Quantum Navigation redefine how we find our way? Only time will tell. For now, GPS remains vital, but the future might hold something even better.
Many dismiss map reading as a relic of the past—after all, why bother when your phone does it all? But here’s the twist: even with the best GPS or mapping app, you still need to know how to read a map. Without those foundational skills, the tech is just a screen full of confusing symbols and lines.
This video isn’t about scare tactics like “What if your battery dies?” or “What if you lose your phone?” Instead, we’ll dive into the real benefits of traditional navigation: gaining independence, understanding the terrain, and making decisions based on your unique situation—not a computer’s algorithm.
Plus, let’s not forget—it’s pretty cool to master a skill that feels like a superpower! Whether you’re avoiding slippery ridges in bad weather or simply enjoying the confidence of knowing where you are, navigating with a map and compass offers control and adventure no GPS can match.
Ready to explore the balance between tech and tradition? Hit play and decide if learning to navigate is the next step in your outdoor journey!
Time, in simple terms, is the progression from the past to the future. We measure this progression using concepts like minutes, hours, and years, which help us quantify it. Now, as for invention, we usually think of it as something that didn’t exist until someone created it. But sometimes, inventions are about explaining things that were always there—like Darwin’s theory of evolution or Einstein’s theories of relativity. They didn’t create evolution or gravity, but they provided a framework to understand these phenomena. So, for this discussion, let’s say time is this progression, and an invention is an explanation that helps us understand something already existing.
Now, let’s talk about James Hutton, who, in the 1700s, introduced a revolutionary idea: "Deep Time." Before him, the general belief was that Earth was only about 6,000 years old, based on Biblical chronology. Hutton, however, argued that the processes shaping the Earth—like rock formation and erosion—took far longer, perhaps millions or even billions of years.
Hutton’s ideas were based on his observations of rock layers, particularly at a place now called Hutton's Unconformity in Scotland. He noticed that older layers of rock were often tilted and eroded before newer layers were deposited on top, suggesting a long and complex history. This was a key insight that led to the concept of "Deep Time," an understanding that Earth’s history spans an almost unimaginable length of time, far beyond the 6,000 years people previously believed.
Hutton’s discovery wasn’t easy to accept back then because people struggled to grasp such vast time spans. But his work laid the groundwork for modern geology, changing our understanding of Earth's history forever. In a way, you could say he "invented" the concept of Deep Time, providing a new lens through which we view the age of the Earth.
I’ll also explain how Small Circles differ, showing that they form shorter paths and don’t cut the globe into equal halves like Great Circles do. Plus, find out how map projections, like the Mercator projection, distort distances, making areas like Russia and Africa appear misleadingly sized. This video is perfect for anyone interested in navigation, geography, or understanding the science behind global travel routes. Whether you're a hiker, a sailor, or just love maps, this clear and practical explanation will enhance your knowledge of the Earth and its unique geometry.
This peat holds the story of all of recorded human history. Thousands of years ago, dense forests blanketed this landscape. Neolithic farmers began clearing these forests for crops and livestock. Over time, as the land became waterlogged, the layers of vegetation stopped decomposing fully, gradually forming peat.
Given millions of years, and the right conditions of pressure and heat, these peat layers will transform into lignite (brown coal) and eventually into sub-bituminous coal. This coal, rich in hydrocarbons, could one day be mined, burned, and even used to boil water for a good cup of tea (a very British ending, after all).
The next time you’re walking around the hills, take time to think about what is beneath your feet.
Don't forget: There is ALWAYS something really interesting very near to where you are.
More languages (and videos) to follow - let's spread the word :-)
The viaduct’s builders lived in camps, including one named Sebastopol after a Crimean War siege. Some engineers had served there, returning on the RMS Trent, a ship that almost caused a U.S.-UK war during the American Civil War (1861–65). In 1861, two Confederate envoys, Mason and Slidell, boarded the RMS Trent for Europe. A Union warship intercepted them, illegally removing them from the neutral British ship. London, outraged, demanded their release and threatened military action. With Britain’s dominant navy and troops ready in Canada, Lincoln wisely freed the envoys—though he skipped the apology Britain sought. Crisis averted.
So, next time you admire the Ribblehead Viaduct, think of its builders and how their ship, the RMS Trent, nearly dragged Britain into America’s Civil War.
Unlike the OS, which serves a broad range of users such as urban planners and utility providers, Harvey Maps are tailored specifically for outdoor enthusiasts. They emphasize clarity by focusing on relevant features like paths, peaks, and huts while omitting extraneous details like political boundaries. This approach makes their maps less cluttered and easier to use for navigation.
Harvey Maps also employ a distinct use of colours and shading. For instance, farmland is shaded light green, with variations indicating grassland or crops, while altitude bands are represented by different colours, helping users visualize terrain easily. Additionally, they utilize intuitive icons (e.g., a tent for campsites) and some abstract symbols, requiring users to familiarize themselves with their style for effective use.
While OS maps, such as the Landranger series, include outdoor features, they retain many irrelevant details due to government constraints. In contrast, Harvey Maps' private status allows for a streamlined design aimed exclusively at outdoor navigation.
One drawback noted by some users is the partially text-heavy reverse side of Harvey’s double-sided maps. Despite this, mastering their unique style can significantly enhance navigation skills, making them a valuable tool for outdoor enthusiasts.
The RMS Trent: en.wikipedia.org/wiki/Trent_Affair
Ribblehead Viaduct: en.wikipedia.org/wiki/Ribblehead_Viaduct
I’ll be testing each map type on a route from Malham Tarn to Fountains Fell Tarn to see the differences firsthand. We’ll explore how the 1:50,000 map provides a broad view ideal for general navigation, the 1:25,000 map gives detailed features perfect for complex or precise navigation, and the 1:40,000 map offers a balanced view. Along the way, I’ll explain how to read map scales and why each scale might be better suited for different types of terrain or outdoor activities, from hiking and cycling to trekking in rugged areas.
If you’re curious about how to navigate with maps of different scales or want tips on picking the best scale for your next outdoor adventure, this video will give you the answers!
Links:
Aiming Off video youtu.be/2eQlZlKRlLM
Shake Holes video youtu.be/0g2jeP-jZoY


