IGCSE Biology Revision - Part 5 - Hormones During Pregnancy Simple Science & Technology 2026-09-18 | IGCSE Biology Revision - Part 5 - Hormones During Pregnancy
ICT Fundamentals - 1.3 - Motherboards Simple Science & Technology 2021-12-16 | This video explores the basic functionality of a motherboard and how it facilitates the interaction of the important computer components like CPU, RAM, ROM and Hard Disk
Cloud Computing - A Simple Demonstration Simple Science & Technology 2021-04-11 | This video details the ability of Cloud computing to overcome the issues typically faced with on-premise infrastructures, by way of a demonstration of setting up and operating a website.[FREE FOR FIRST 1000 STUDENTS ] To establish yourself in the Cloud industry/space, I recommend that you start getting Cloud certified with the respective Cloud Service provider's suite of Certifications. Use our meticulously curated and written practice exam papers to prepare to excel for your certifications: udemy.com/course/2022-aws-certified-cloud-practitioner-practice-exams/?couponCode=13FBF2EAEEDD4063914ETime stamps:0:00 Introduction0:17 A New Website Demonstration1:19 Front-end Server1:37 Back-end Server/Database2:03 Traditional IT Approach2:40 The office server set up2:56 Traditional IT Approach - Newly launched Website (100 users)3:33 Traditional IT Approach - Exam season (100 → 200 users)3:53 Traditional IT Approach - Exam season (200 → 300 users)4:17 Traditional IT Approach - More servers to share load4:38 Traditional IT Approach - Even more traffice (300 → 500 users)4:48 Traditional IT Approach - Pre-exam day surge (500 → 5000 users)5:19 Traditional IT Approach - Datacenter/ Server Room5:40 Traditional IT Approach - Post-exam day fall (5000 → 2000 users)6:06 Traditional IT Approach - Post-exam week plunge (2000 → 500 users)6:24 Traditional IT Approach - Turning off 7 Servers (12 servers → 5 servers)6:35 Active vs Inactive Servers6:52 Problems with on-premise inactive servers7:23 An ideal alternative - Virtual Machines8:35 Virtual Machine benefits9:17 Cloud Service Providers (CSPs)9:33 Provisioning/De-provisioning Cloud Services10:17 Managing resources: Cloud vs On-premise10:47 Setting up a server: Cloud vs On-premise11:18 Cloud services - "On-demand" and "Pay-as-you-go"12:18 Autoscaling14:47 Autoscaling + Load balancing15:51 Cloud Service Offerings17:40 Hybrid Cloud Infrastructure
How does RAM work? Simple Science & Technology 2021-03-07 | This video provides a short demonstration of how RAM is used in two example sessions, creating/editing a document and launching/playing a video game.Time stamps:0:00 Creating and editing a Word document1:15 Forgetting to save!1:56 Launching and playing a video game
Everything you need to know about CPU Simple Science & Technology 2021-02-23 | This video explains the CPU, the CPU cycle in an easy and memorable way.Timestamps:0:00 Introduction0:48 CPU Cycle - Fetching1:51 CPU Cycle - Decoding2:10 CPU Cycle - Executing2:40 Executed Instructions3:10 Control Unit3:46 "Microprocessor"4:01 Control and Monitoring
IT Fundamentals - 1.3 - Read-Only Memory (ROM) - Everything You Need To Know Simple Science & Technology 2021-02-16 | This video explores the key concepts of ROM, BIOS, Boot Sequences and the different types of ROM Technologies: PROM, EPROM and EEPROM.Timestamps:0:00 Introduction1:00 Misconception2:05 What is ROM?3:46 Configuration Data Analogy4:42 BIOS and Bootstrap7:04 Bootstrap/Boot sequence10:03 Types of ROM10:35 PROM - Programmable Read Only Memory 12:25 EPROM - Erasable Programmable Read Only Memory 13:30 EEPROM - Electrically Erasable Programmable Read Only Memory 15:03 EEPROM - Flash Memory17:25 - ROM Summary/Cheatsheet
IT Fundamentals - 1.2 - Internal Hardware (pt.1) Simple Science & Technology 2020-11-08 | This video details the core components of all computer systems, Internal Hardware. We will distinguish between Internal and External or Peripheral Hardware (discussed in a later chapter) and go into considerable detail, with clear examples and diagrams, on the operation and interaction of the first three Internal Hardware Components: CPUs, Internal Storage (HDDs/SSDs) and RAM. Timestamps:0:00 Introduction1:14 Definition of Hardware2:07 Internal vs External Hardware6:07 Internal Hardware Components12:37 Central Processing Unit (CPU)12:57 CPU Fetch, Decode and Run18:51 HDDs and SSDs (Internal Storage)19:48 HDDs (Hard Disk Drives)23:38 SSDs (Solid State Drives)27:07 RAM (Random Access Memory)28:04 RAM ExampleNhan
IT Fundamentals - 1.1 - ICT and Computer Systems Simple Science & Technology 2020-10-16 | This is the perfect introductory series to our brand new ICT Fundamentals learning, introducing the broadest concepts in ICT, ICT and computer systems. (Time stamps below!)In this video, we learn the key terminologies, relationships and constituents of IT systems and lay the groundworks for the topics of this series. 0:00 Introduction0:58 What are ICT Systems?2:34 ICT Systems vs Computer Systems3:26 Environments and Applications4:43 ICT System Components, Introduction to ChapterEnjoy the video and the new branding of the channel!Nhan
GCSE/IGCSE Organic Chemistry - Part 6 - Esters (Please turn up the volume, apologies) Simple Science & Technology 2020-10-16 | (Please turn up the volume)Esters are organic compounds that make up products that we commonly find in our daily lives, such as perfumes, food flavourings, oils and fats. This video details the structure, reactions and applications of esters. Time stamps:0:00 Introduction0:47 Definition of an Ester1:47 Ester Functional Group2:28 Ester Common Properties3:06 Naming Esters6:38 General Formula8:06 Examples8:57 Uses of Esters9:30 Fats and Oils14:10 HydrolysisEnjoy!Nhan
GCSE/IGCSE Organic Chemistry - Part 5 - Carboxylic Acids Simple Science & Technology 2019-03-05 | Carboxylic acids are a type of organic acid that can undergo typical acidic reactions as well as other important chemical reactions, such as forming esters.By Nhan :D.
GCSE/IGCSE Organic Chemistry - Part 4 - Alcohols Simple Science & Technology 2018-08-27 | Alcohols are used prevalently in our daily lives and in industry. This video explains the properties, reactions and synthesis of alcohols.
GCSE/IGCSE Organic Chemistry - Part 3 - Alkenes Simple Science & Technology 2018-05-09 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! This video looks another group of organic compounds known as Alkenes. We will learn about the properties and versatile reactions that this unsaturated hydrocarbon exhibits and can undergo.by Nhan.
Band Theory, Semi-conductors and Diodes Simple Science & Technology 2018-01-12 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! This video is details the concept of band theory, which is the underlining study and understanding behind modern day electronics.Here, I explain the science of this phenomena, the main derived product (p type and n type semiconductors), and the main and most important application, the diode.This video belongs to A-level Physics for several syllabi.
DEAD PEOPLE ON THE MOON (6 Mysterious Facts about the Moon) Simple Science & Technology 2017-11-27 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! Who has been buried on the moon? This video unlocks the 6 most mysterious facts about the moon.
Work, Energy and Power - Part 9 - Youngs Modulus Simple Science & Technology 2017-11-22 | Let's explore the result of load being applied to a material and how a relationship between force and extension can be expressed in terms of stress and strain, via a constant known as the Young's Modulus.
GCSE/IGCSE Organic Chemistry - Part 1 - Introduction to Organic Chemistry Simple Science & Technology 2017-10-08 | This is the first video on a very long topic of organic chemistry. The organic chemistry course will be split into different topics based on different homologous series groups, like alkanes, alkenes, alcohols and carboxylic acids.This video aims to introduce the key concepts of describing organic compounds as well as to provide key background information for this rather difficult topic.Thanks for watching my video and goodluck with your revision!Timestamps:0:00 Introduction1:04 Carbon3:03 C-H Group4:05 Organic Compound Formulae4:51 Molecular Formula5:29 Structural Formula6:18 Displayed Formula6:42 Homologous Series9:07 Functional Group10:16 Physical Properties of Homologous Series11:33 General FormulaNhan
IGCSE Chemistry Revision - 24 - Extraction of Aluminium Simple Science & Technology 2017-09-21 | This video goes into detail about the preparation and electrolysis for the extraction of aluminium from the initial natural resource bauxite.In addition, I also discuss the economic and environmental issues that relate to this process and hence show the importance of recycling aluminium.Timestamps:0:00 Introduction1:32 Bauxite (raw ingredient)2:30 Why electrolysis? - Reactivity Series3:06 Electrolysis Methods3:24 Step 1 - Sodium Hydroxide Treatment4:05 Step 2 - Precipitation5:02 Step 3 - Formation5:45 Step 4 - Electrolysis9:15 Step 4 - Economic Considerations11:16 Key EquationsI hope you enjoy this video and goodluck on your revision!
A-Level Chemistry Revision - Part 4 - Molecular Geometry Simple Science & Technology 2017-06-10 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! This video explains a 3-D method of representing covalent molecules and all the examples of geometric shapes you will encounter in A-Level.Nhan
IGCSE Chemistry Revision - 23 - Electrolysis - Part 2 Simple Science & Technology 2017-04-24 | Electrolysis of Aqueous solutions are slightly more complex to understand and solve, but as long as you grasp the 5 key principles listed on the cheatsheet at 10:42, you will be able to solve ALL Electrolysis questions. Timestamps:0:00 Introduction0:17 Molten Electrolysis1:06 Aqueous Electrolysis4:20 Aqueous Electrolysis - Cathode Reaction6:03 Aqueous Electrolysis - Anode Reaction9:40 Aqueous Electrolysis Reaction Summary11:15 Example Electrolysis 1 - Concentrated12:53 Example Electrolysis 2 - Dilute13:42 Example Electrolysis 3 - DiluteBest of luck in your revision guys!Nhan
IGCSE Chemistry Revision - 23.1 - Electrolysis - Part 1 Simple Science & Technology 2017-04-11 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! Electrolysis is the first topic that most people struggle with in IGCSE Chemistry. This video explains the basics of electrolysis and introduces the first example of electrolysis, the electrolysis of molten ionic compounds.
IGCSE Chemistry Revision - Part 22 - Paper Chromatography Simple Science & Technology 2017-03-29 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! How does paper chromatography work? Why do we use it? This video explains all you need to know about Paper Chromatography. by Nhan.
IGCSE Chemistry Revision - Part 21 - Separation Methods Simple Science & Technology 2017-03-07 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! This video talks about how you can separate a mixture of substances to obtain pure substances. By Nhan :D
A-Level Chemistry Revision - Part 3.2 - Ionisation Energies Simple Science & Technology 2017-02-10 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! A-Level Chemistry Revision - Part 3.2 - Ionisation Energies
A-Level Chemistry Revision - Part 3.1 - Ionisation Energies Simple Science & Technology 2017-02-01 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! A-Level Chemistry Revision - Part 3.1 - Ionisation Energies by Nhan :D
A-Level Biology Revision - Part 2.2 - Cell Structure Simple Science & Technology 2017-01-21 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! A-Level Biology Revision - Part 2.2 - Cell Structure by Mathangi :D
A-Level Biology Revision - Part 2.1 - Cell Structure Simple Science & Technology 2017-01-21 | A-Level Biology Revision - Part 2.1 - Cell Structure by MathangiTimestamps:0:00 Introduction0:16 Types of Cell1:37 Prokaryote Cell Structure2:35 Viruses3:31 Animal Cell Structure
A-Level Biology Revision - Part 2.3 - Cell Structure Simple Science & Technology 2017-01-20 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! Cell Structures Part 1 by Mathangi
A-Level Chemistry Revision - Part 2.1 - Advanced Model of the Atom Simple Science & Technology 2017-01-12 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! Advanced model of the Atom Part 1 by Nhan :D.
A-Level Biology Revision - Part 1.2 - Microscopy Simple Science & Technology 2016-12-28 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! A-Level Biology Revision - Part 1.1 - Microscopy - Mathangi :D
A-Level Biology Revision - Part 1.1 - Microscopy Simple Science & Technology 2016-12-28 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! A-Level Biology Revision - Part 1.1 - Microscopy, by Mathangi*ignore when i said viruses*
A-Level Chemistry Revision - Part 1 - Mass Spectrometry Simple Science & Technology 2016-12-25 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! A-Level Chemistry Revision - Part 1 - Mass Spectrometry, by Nhan :D.
IGCSE Chemistry Revision - Part 20 - Pure and Impure Substances Simple Science & Technology 2016-12-24 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! IGCSE Chemistry Revision - Part 20 - Pure and Impure Substances, by Nhan :D.
IGCSE Chemistry Revision - Part 19 - Molar Gas Simple Science & Technology 2016-12-23 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! IGCSE Chemistry Revision - Part 19 - Molar Gas, by Nhan :D
IGCSE Chemistry Revision - Part 18 - Solutions and Concentration Simple Science & Technology 2016-12-19 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! by Nhan :D
Vertical Circular Motion - Part 3 - Beads moving on a Wire Simple Science & Technology 2016-11-30 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! Vertical Circular Motion - Part 3 - Beads moving on a Wire, by Nhan :D
IGCSE Chemistry Revision - Part 16 - Empirical and Molecular Formulae Simple Science & Technology 2016-08-01 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!!
IGCSE Chemistry Revision - Part 16 - The Mole Simple Science & Technology 2016-07-27 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!!
IGCSE Biology Revision - Part 16 - Meiosis Simple Science & Technology 2016-07-20 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!! This video covers the definition, role, and process of meiosis and how it gives variation in gametes.Video on Mitosis for IGCSE: youtu.be/DEQu9pfskQYThanks to Julia (vimeo.com/user22355613) for making the diagrams.-Josephine. :D
IGCSE Biology Revision - Part 15 - Mitosis Simple Science & Technology 2016-07-13 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!!This video covers the process & roles of mitosis and stem cells.Thanks to Julia (vimeo.com/user22355613) for making the diagrams.-Josephine. :D
IGCSE Chemistry Revision - Part 15 - Relative Atomic, Molecular, and Formula Mass Simple Science & Technology 2016-07-10 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!!IGCSE Chemistry Revision - Part 15 - Relative Atomic, Molecular, and Formula Mass, by Nhan :D.
IGCSE Biology Revision - Part 14.2 - Chromosomes, Genes & Proteins Simple Science & Technology 2016-07-07 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!!This video covers haploid & diploid nuclei and inheritance of sex in humans.The first part: youtu.be/f9tlgo__OZUThanks to Julia (vimeo.com/user22355613) for making the diagrams.-Josephine. :D
Easiest Way to Balance Chemical Equations Simple Science & Technology 2016-07-03 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!!Easiest Way to Balance Chemical Equations, by Nhan :D
IGCSE Biology Revision - Part 14.1 - Chromosomes, Genes & Proteins Simple Science & Technology 2016-05-29 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!!This video covers the definitions of chromosomes, genes & alleles, and the process of making proteins in human cells.The playlist on protein synthesis I was talking about: goo.gl/QYOfyFThanks to Julia (vimeo.com/user22355613) for making the diagrams.-Josephine. :D
IGCSE Chemistry Revision - Part 13 - Macromolecules Simple Science & Technology 2016-04-27 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!!
IGCSE Chemistry Revision - Part 12 - Covalent Bonding (Part 2) Simple Science & Technology 2016-04-21 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!!
IGCSE Biology Revision - Part 13 - Nitrogen Cycle Simple Science & Technology 2016-04-17 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!!-Josephine. :DThanks to Julia (vimeo.com/user22355613) for the diagrams.
IGCSE Chemistry Revision - Part 11 - Covalent Bonding (Part 1) Simple Science & Technology 2016-04-13 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!!-Nhan. :D
IGCSE Biology Revision - Part 12 - Pathogens, Transmissible Diseases & Preventing Its Spread Simple Science & Technology 2016-04-10 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!!-Josephine. :DThanks to Julia (vimeo.com/user22355613) for the diagrams.
IGCSE Chemistry Revision - Part 10 - Metallic Bonding Simple Science & Technology 2016-04-06 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!!-Nhan. :D
Work, Energy and Power - Part 11 - Brittle Materials under Stress Simple Science & Technology 2016-04-03 | Support us on Patreon to make more revision videos for all of you! PATREON: patreon.com/user?u=11271508 !!!This video explores how brittle materials behave under stress.
