Resonance Phenomena in 2D on a Plane FreeScienceLectures 2007-05-11 | http://www.FreeScienceLectures.comThe plane is vibrated at some specific frequency. The waves travel across the plane and at some places they add together and at other places they cancel out. Where they cancel out the salt stucks because there is no vibrations and at other places it just gets vibrated away.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Standing Ovation Stephen Hawkings Lecture FreeScienceLectures 2010-10-02 | http://www.HawkingVideos.com - Stephen Hawking gives an amazing lecture, something you didn't expect, everyone is blown away.
Hawking Says: Space, Here I come. Funny FreeScienceLectures 2010-09-30 | Check out http://www.HawkingVideos.com - a website that a friend of mine made that collects all professor Hawking videos! In this video Hawking says "space here I come." What a funny man. See http://www.HawkingVideos.com for other amazing Hawking Videos!
Richard Feynman Plays The Bongos FreeScienceLectures 2010-09-30 | Check out http://www.FeynmanPhysicsLectures.com - a website that a friend of mine made that collects all Dick Feynman videos!In this video Feynman plays the bongos and sings. I think he's lost his mind as many old people do.See http://www.FeynmanPhysicsLectures.com for other awesome Feynman videos!
Hawking: We Must Colonize the Space in Order to Survive FreeScienceLectures 2010-09-30 | Check out http://www.HawkingVideos.com - a website that a friend of mine made that collects all Stephen Hawking videos!In this video Hawking says we must colonize the space to survive, otherwise we'll blow ourselves up and this will be the end of our race.See http://www.HawkingVideos.com for other parts of this video!
Very Young Carl Sagan talks about planet Venus FreeScienceLectures 2010-09-30 | Check out http://www.CarlSaganVideos.com - a website that a friend of mine made that collects all Carl Sagan videos!In this video Carl Sagan, age 20, talks about mysterious planet Venus that was just discovered!See http://www.CarlSaganVideos.com for other cool Sagan videos!
www.HawkingVideos.com - Website that collects Stephen Hawking videos FreeScienceLectures 2010-09-30 | Check out http://www.HawkingVideos.com - a website that a friend of mine made that collects all Stephen Hawking videos! This particular video shows early days of Stephen Hawking and interview with his mom. See http://www.HawkingVideos.com for other parts of this video!
www.CarlSaganVideos.com - Carl Sagan Video Website FreeScienceLectures 2010-09-30 | Check out http://www.CarlSaganVideos.com - a website that a friend of mine made that collects all Carl Sagan videos!In this video Carl Sagan explains the Drake Equation that predicts how many civilizations are there in the universe.See http://www.CarlSaganVideos.com for other similar videos!
www.FeynmanPhysicsLectures.com - Richard Feynman Video Website FreeScienceLectures 2010-09-30 | Check out http://www.FeynmanPhysicsLectures.com - a video website that my friend made dedicated to Richard P. Feynman. In this video Richard P. Feynman explains how atoms jiggle in matter. Wonderful explanation. See http://www.FeynmanPhysicsLectures.com for other interesting Feynman videos!
HIV Replication and Life Cycle FreeScienceLectures 2007-06-13 | http://www.FreeScienceLectures.comHIV replication is a complex multi-staged process that includes crucial steps taking place on the exterior as well as the interior of the target host cell.The first three steps involved in cell entry are termed attachment, co-receptor binding and fusion. Each step is crucial to successful viral reproduction.Once HIV virus penetrates the cell, it releases its RNA into the cell.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Rats Laugh When You Tickle Them FreeScienceLectures 2007-06-13 | http://www.FreeScienceLectures.comScientists listened to animals playing and they noticed something that appeared to them to be laughter. They studied this behavior for couple of years before acturally realizing that it is laughter.Soon they got a device which transformed higher frequency sounds to frequencies our auditory system can hear.So they developed a way to ask these rats if they liked being tickled and the answer was definite yes!---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Neutrophil Chemotaxis FreeScienceLectures 2007-06-13 | http://www.FreeScienceLectures.comHuman neutrophils are mobile cells that will quickly migrate to sites of injury to help fight infection. They are attracted there by chemical signals released by other cells of the immune system or by invading microbes. In this experiment substance is released from micropipette that makes the neutrophils polarize and move towards that location.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
A Video of Molecules FreeScienceLectures 2007-05-28 | http://www.FreeScienceLectures.comThis video shows how various molecules look. For example, water consisting of two hydrogen atoms and one oxygen atom.The others are: glucose, sucrose, amylose, stearic acid, oleic, glycerol, trigglyceride, phospholipid, alenine, serine, leucine, phenyaleine, hexapeptide, peroxide, dioxiribose, thymine, atp, dna, amylpectin and cellulose.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Sodium Reacts with Four Acids FreeScienceLectures 2007-05-27 | http://www.FreeScienceLectures.comHere is an experiment where sodium reacts with four different acids - 6M HCl, 12M HCl, 6M HNO3 and 15M HNO3.The reaction with 15M HNO3 is the fastest and 12M HCl is the slowest reaction and it still hasn't all reacted even after 75 seconds---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Formation of Aluminum Bromide FreeScienceLectures 2007-05-27 | http://www.FreeScienceLectures.comIn this experiment we are going to react aluminium with liquid bromine to make aluminum-bromide.First a layer of bromine is poured into the bottom of a beaker. Then some aluminium powder is placed on to of bromine. Within a few moments they begin to react exothermically. Eventually all the aluminum has reacted.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Exothermic Iron-Oxide and Aluminum Reaction FreeScienceLectures 2007-05-27 | http://www.FreeScienceLectures.comA metal crucible is filled with iron-oxide and aluminum. A small amount of potassium, sugar and chloride is placed on top of iron-oxide aluminum mixture. A few drops of concentrated sulphuric acide is added to the mixture to start the reaction. The reaction extremely exothermic. The crucible becomes red hot. The aluminum has reduced the iron-oxide to iron. ---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Rotation, Seasons and Surface of Planet Mars FreeScienceLectures 2007-05-27 | http://www.FreeScienceLectures.comMars is the fourth planet from the Sun in the Solar System. The planet is named after Mars, the Roman god of war. It is also referred to as the "Red Planet" because of its reddish appearance as seen from Earth.A terrestrial planet, Mars has a thin atmosphere and surface features reminiscent both of the impact craters of the Moon and the volcanoes, valleys, deserts and polar ice caps of Earth. It is the site of Olympus Mons, the highest known mountain in the solar system, and of Valles Marineris, the largest canyon. In addition to its geographical features, Mars' rotational period and seasonal cycles are likewise similar to those of the Earth.This video shows the rotation speed of the red planet Mars relative to Earth, the seasonal cycles on Mars and its surface structure.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Mars Science Laboratory FreeScienceLectures 2007-05-11 | http://www.FreeScienceLectures.com Building on the success of the two rover geologists that arrived at Mars in January, 2004, NASA's next rover mission is being planned for travel to Mars before the end of the decade. Twice as long and three times as heavy as the Mars Exploration Rovers Spirit and Opportunity, the Mars Science Laboratory will collect Martian soil and rock samples and analyze them for organic compounds and environmental conditions that could have supported microbial life now or in the past. The mission is anticipated to have a truly international flavor, with a neutron-based hydrogen detector for locating water provided by the Russian Federal Space Agency, a meteorological package provided by the Spanish Ministry of Education and Science, and a spectrometer provided by the Canadian Space Agency. Mars Science Laboratory is intended to be the first planetary mission to use precision landing techniques, steering itself toward the Martian surface similar to the way the space shuttle controls its entry through the Earth's upper atmosphere. In this way, the spacecraft will fly to a desired location above the surface of Mars before deploying its parachute for the final landing. As currently envisioned, in the final minutes before touchdown, the spacecraft will activate its parachute and retro rockets before lowering the rover package to the surface on a tether (similar to the way a skycrane helicopter moves a large object). This landing method will enable the rover to land in an area 20 to 40 kilometers (12 to 24 miles) long, about the size of a small crater or wide canyon and three to five times smaller than previous landing zones on Mars. Like the twin rovers now on the surface of Mars, Mars Science Laboratory will have six wheels and cameras mounted on a mast. Unlike the twin rovers, it will carry a laser for vaporizing a thin layer from the surface of a rock and analyzing the elemental composition of the underlying materials. It will be able to collect rock and soil samples and distribute them to on-board test chambers for chemical analysis. Its design includes a suite of scientific instruments for identifying organic compounds such as proteins, amino acids, and other acids and bases that attach themselves to carbon backbones and are essential to life as we know it. It can also identify features such as atmospheric gases that may be associated with biological activity. Using these tools, Mars Science Laboratory will examine Martian rocks and soils in greater detail than ever before to determine the geologic processes that formed them; study the martian atmosphere; and determine the distribution and circulation of water and carbon dioxide, whether frozen, liquid, or gaseous. NASA plans to select a landing site on the basis of highly detailed images sent to Earth by the Mars Reconnaissance Orbiter, in addition to data from earlier missions. The rover will carry a radioisotope power system that generates electricity from the heat of plutonium's radioactive decay. This power source gives the mission an operating lifespan on Mars' surface of a full martian year (687 Earth days) or more while also providing significantly greater mobility and operational flexibility, enhanced science payload capability, and exploration of a much larger range of latitudes and altitudes than was possible on previous missions to Mars. Planned Launch: Fall, 2009 Arrival: October, 2010 --- It's Never too Late to Study: http://www.FreeScienceLectures.com --- Notice: This video is copyright by its respectful owners. The website address on the video does not mean anything. ---
The Search for Extraterrestrial Intelligence by Carl Sagan FreeScienceLectures 2007-05-11 | http://www.FreeScienceLectures.comTo reach other intelligences our technology must reach beyond interplanetary distances it has to go interstellar distances.The largest radio radar telescope on the planet Earth - Arecibo radio telescope - is located in Arecibo, Puerto Rico.It is so powerful it could communicate with an identical one 15 thousand light years away. Half-way to center of Milky Way galaxy.It was used to send a message to a star cluster M15. But is there anyone out there to talk to?How far away is the nearest civilization capable of communicating with a radio telescope? If the galaxies are distributed randomly, the nearest one should be 200 light years away.How would we know we are receiving a message from intelligent life form? Transmitting civilization could make it very easy for us if they wished. If one day we found a signal which was methodical series of pulses then we would conclude that someone is saying hello.For example the signal could be all the prime numbers 2, 3, 5, 7, 11, 13, 17, ... which no natural source of radiation could transmit.Our technology is now fully adequate for this challenge.Why havent we yet discovered any and why hasn't they visited us? One answer is that maybe we are first? Some civilization has to be first.Or maybe they have destroyed themselved. Or possibly they are already with us, just hiding.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Carl Sagan Explains the Drake Equation FreeScienceLectures 2007-05-11 | http://www.FreeScienceLectures.com The most famous American astronomer and astrophysicist Carl Sagan explains the Drake equation. The Drake equation (rarely also called the Green Bank equation or the Sagan equation) is a famous result in the speculative fields of xenobiology, astrosociobiology and the search for extraterrestrial intelligence. The Drake equation states that: N = R* × fp × ne × fl × fi × fc × L, where: N is the number of civilizations in our galaxy, with which we might hope to be able to communicate; R* is the rate of star formation in our galaxy fp is the fraction of those stars that have planets ne is the average number of planets that can potentially support life per star that has planets fl is the fraction of the above that actually go on to develop life at some point fi is the fraction of the above that actually go on to develop intelligent life fc is the fraction of civilizations that develop a technology that releases detectable signs of their existence into space L is the length of time such civilizations release detectable signals into space. --- It's Never too Late to Study: http://www.FreeScienceLectures.com --- Notice: This video is copyright by its respectful owners. The website address on the video does not mean anything. ---
Carl Sagan on Planet Venus FreeScienceLectures 2007-05-11 | http://www.FreeScienceLectures.com Sagan was central to the discovery of the high surface temperatures of the planet Venus. In the early 1960s, no one knew for certain the basic conditions of Venus' surface and Sagan listed the possibilities in a report later depicted for popularization in a Time-Life book, Planets - his own view was that the planet was dry and very hot, as opposed to the balmy paradise others had imagined. He had investigated radio emissions from Venus and concluded that there was a surface temperature of 500 °C (900 °F). As a visiting scientist to NASA's Jet Propulsion Laboratory, he contributed to the first Mariner missions to Venus, working on the design and management of the project. Mariner 2 confirmed his views on the conditions of Venus in 1962. This video shows an interview with him before the first missions to Venus in 1960 or 1961. --- It's Never too Late to Study: http://www.FreeScienceLectures.com --- Notice: This video is copyright by its respectful owners. The website address on the video does not mean anything. ---
Transparent Cement FreeScienceLectures 2007-05-10 | http://www.FreeScienceLectures.comHere is a demo of transparent cement. It's almost as tough as the usual one but it also lets through light.It could be used for designing modern buildings or used in facilities which need some of solar light to pass through.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Multi-Input Touch Screen Interaction Technology FreeScienceLectures 2007-05-10 | http://www.FreeScienceLectures.comThe usual touch screens usually allow just a single touch interaction. This new technology is designed to be usable by both hands or by multiple persons.The uses are endless. You can use it for creating a fantastic video mixing or special effects. Create interactive presentations which can be modified with both hands. Quickly categorize, resize and move images. Draw some pokemons and make them wiggle. Examine 3D figures more easily. Maps and terrains can be examined. Music can be mixed. And it can be used to display some complex mathematical structures as graphs for example. Sure there are many other uses.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Atmosphere Cloud Wave FreeScienceLectures 2007-05-10 | http://www.FreeScienceLectures.comAn atmospheric cloud wave is a stable structure moving through the clouds.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
The First Moon Landing in 1969 FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comThe video of the very first moon landing of the Apollo 11 mission in 1969!Neil Armstrong was the first man to set foot on the moon with his now legenday words "One small step for man, a giant leap for mankind."---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
2.2 MegaVolt Lightning - Lichtenberg Figures FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comThe interior of an 18" square x 1" piece of Plexiglas was charged to 2.2 million volts (MV) using a 5 MV particle accelerator. A layer of excess electrons become trapped deep inside. When discharged, the excess charge escaped with a bright flash and a loud bang. The hot, lightning-like discharge created thousands of microscopic fractures inside the acrylic, resulting in a branching "Captured Lightning" sculpture (or Lichtenberg Figure).This video was done by Bert Hickman from Stoneridge Engineering. His website: http://www.teslamania.com---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Waves, Bubbles and Reactions in a Free Sphere of Water FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.com First waves in a large free sphere of water in weightlessness are examined. A large free sphere of water 130mm in diameter. A puff of air is put radially directed from side and we look at the resulting waves. There is combination of surface waves and body waves that go through this spere. Then water droplets in a bubble in a sphere are examined. A sphere of water in weightlessness, 75mm in diameter with an air bubble of 35mm inside. Water droplets are injected into the bubble and the resulting collisions are examined. Most of the collisions are elastic. But once in a while a collsion will result in a mass transfer with the interface. Finally effervescent antacid tabled in a water sphere is examined. A sphere of water, 15mm in diameter, with an effervescent antacid tabled. Bubbles form rapidly from chemical reaction. This experiment was done at International Space Station by Don Pettit from NASA. --- It's Never too Late to Study: http://www.FreeScienceLectures.com --- Notice: This video is copyright by its respectful owners. The website address on the video does not mean anything. ---
Nuclear Fission Animated FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comNeutron slams into the nucleus of a heavy element which causes a nuclear fission creating two ligher elements (fission products) and more free neutrons.These free neutrons are absorbed by other heavy elements which creates a chain reaction.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Ferromagnetic Liquid FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comA ferrofluid is a liquid which becomes strongly polarised in the presence of a magnetic field.Ferrofluids are composed of nanoscale ferromagnetic particles suspended in a carrier fluid, usually an organic solvent or water. The ferromagnetic nano-particles are coated with a surfactant to prevent their agglomeration (due to van der Waals and magnetic forces).Although the name may suggest otherwise, ferrofluids do not display ferromagnetism, since they do not retain magnetisation in the absence of an externally applied field. In fact, ferrofluids display paramagnetism, and are often referred as being "superparamagnetic" due to their large magnetic susceptibility. Truly ferromagnetic fluids are difficult to create at present.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Alkali Chemical Element Flame Test FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comThis video shows what different colors the alkali elements burn.Strontium chloride, barium chloride, sodium chloride and potassium chloride are burned.This video was done by YouTube user 'nitrex'.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Volcano Experiment FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comThe experiment "Volcano" is created using just ammonium dichromate which when burned creates this spectacular volcano effect.For your information, ammonium dichromate, sometimes known as Vesuvian Fire, is a chemical compound that was used as an oxidizer in early photography and pyrotechnics, and in the formation of tabletop "volcanoes".This video was created by YouTube user 'nitrex'.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Sodium Burning in Air FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comSodium does not react easily with oxygen at a room temperature so it has to be heated up a little for the reaction to start.Since air is mostly oxygen once the reaction starts it gets pretty violent and the piece of sodium explodes.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
NI3, Nitrogen Triiodide, Explodes FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comNitrogen triiodide, also called nitrogen iodide, is the chemical compound with the formula NI3.It is a sensitive contact explosive: small quantities explode with a gunpowder-like snap when touched even lightly, releasing a purple cloud of iodine vapor.In this video the NI3 is lightly touched with a wooden stick and it explodes.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Heated Sodium placed in Chlorine FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comSince sodium reacts slower than other alkali metals, the reaction is so intense. It just burns for a while.This video was done by University of Oxford.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Sodium Reacts with Liquid Water FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comSodium is a chemical element which has the symbol Na (Latin: natrium), atomic number 11, atomic mass 22.9898 g/mol, oxidation number +1.Sodium is a soft, silvery white, highly reactive element and is a member of the alkali metals within "group 1" (formerly known as 'group IA'). It is classified as an "inorganic macro-mineral".t has only one stable isotope, 23Na. Sodium was first isolated by Sir Humphry Davy in 1807 by passing an electric current through molten sodium hydroxide.Sodium quickly oxidizes in air so it must be stored in an inert environment such as kerosene.Sodium is present in great quantities in the Earth's oceans as sodium chloride. It is also a component of many minerals, and it is an essential element for animal life.This video shows what happens if you place a piece of sodium in water. It does not react as quickly as potassium or lithium. The reaction is slower, initially causing it to burn and as the temperature rises, it is probably broken into more pieces, exposing more surface area to water, the reactions speed up and the piece explodes.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Marshmallow Experiment FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comWatch how a "marshmallow" is made using just a few chemical elements.First we take hydrogen preoxide, then we add liquid soup, we mix it together and finally add a little of potassium iodide and the reaction starts.This video was done by YouTube user nitrex!---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Potassium Reacts with Water FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comPotassium is a chemical element. It has the symbol K (Latin: kalium) and atomic number 19. The name "potassium" comes from the word "potash", as potassium was first isolated from potash.Potassium is a soft silvery-white metallic alkali metal that occurs naturally bound to other elements in seawater and many minerals. It oxidizes rapidly in air and is very reactive, especially towards water. In many respects, potassium and sodium are chemically similar, although organisms in general, and animal cells in particular, treat them very differently.In this video a piece of potassium is thrown into water which causes it to oxidize very very quickly thus releasing lots of energy which can be seen in form of sparks and fire.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Heated Potassium Placed in Chlorine FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comA piece of heated potassium is placed in chlorine. The reaction is violent and instantaneous which causes it to burn.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Potassium Burns in Air FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comWhen potassium is heated is starts reacting with oxygen. Since air is mostly oxygen, the reaction happens pretty quickly and it starts burning.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Lithium Burns in Air FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comA small amount of lithium is heated and it reacts very quickly with oxygen creating a burst.This video was created by University of Oxford.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Ice Bomb FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comThe ice bomb illustrates the fact that the volume of ice is greater than the volume of an equal mass of liquid water.Some cold water is poured into a cast iron bomb and a threaded plug is screwed into the bomb so that the bomb is tightly sealed.The bomb is then placed into a dry ice/aceton slush which is at -77 deg's celcius and will cause the water inside the bomb to freeze.It takes a short time for water to freeze. When it does, the bomb explodes.Little bits of the cast iron bomb are left. When the water freezes, tremendous pressure is produced. The pressure is enough to cause this cast iron bomb with more than 1/8th inch thick sides to explode.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Heated Lithium placed in Chlorine FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comLithium reacts with chlorine, a violent reaction happens and lithium starts to burn instantly.This video was done by University of Oxford.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Galileo Galilei Proven Right FreeScienceLectures 2007-05-05 | http://www.FreeScienceLectures.comOn one of the Moon missions, NASA astronauts decided to prove Galileo Galilei right.He reasoned that if there was no atmosphere, no dragging force then two objects of different mass falling from the same height would hit the ground at the same time.The astronomer drops a hammer and a feather on the surface of the Moon.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Popcorn Bursting in Slow Motion FreeScienceLectures 2007-05-04 | http://www.FreeScienceLectures.comA slow motion video of a corn popping.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Our View of the Universe FreeScienceLectures 2007-05-04 | http://www.FreeScienceLectures.comThe universe began with the big bang, and for the first four hundred thousand years all matter was ionised, indicated by the blue region in the diagram. When the universe had cooled enough to allow atoms to form, there followed a period known as the dark ages, during which matter condensed into the first stars and galaxies. After 150 million years the first stars ignited and began to emit visible light. The grey circle marks this time when the first galaxies can be seen.The white circle represents the spacial dimensions of the universe. As time passes, the circumference of the circle increases, corresponding to the expansion of the universe. Time is represented by the radius of the circle, and travel through space is represented by rotation around the circle. For simplicity, only one spacial dimension is shown in the diagram, but the remaining two dimensions behave in the same way. Matter remains almost stationary on the circle, but light rotates around the circle at a constant angular velocity. The location of our solar system is indicated by the green dot.To examine our view of the universe, lets zoom in to our region, and start from time zero. The blue dot is a supernova explosion that occurred around the time of the first galaxies, and is visible to us today. The light from the supernova explosion propagates in all directions, and its wavelength is gradually shifted towards the red end of the spectrum as the universe expands. It is not visible to us until the light arrives at the Earth at the present time. The only section of the universe visible to us today is along this light path. However, this does give us a representative cross-section of the universe all the way back to the big bang.We can see how the view of the universe from our solar system evolves with time, by restarting again from time zero. The light curves show the cross-section of the universe that is visible at any time. Notice the intersection of the light curves with the time of the first galaxies. As the age of the universe increases, the first visible galaxies continually change as new galaxies come within range of our solar system.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Hinode Spacecraft Captures Total Solar Eclipse FreeScienceLectures 2007-05-04 | http://www.FreeScienceLectures.comHinode captured a total eclipse in orbit on 19th March 2007, while it was just a partial eclipse on the ground.These data are used to measure scatterd light of telescopes. X-ray Telescope (XRT) obtained full disk images during the total eclipse in soft X-ray images. Hinode (Sunrise in Japanese), formerly known as Solar-B, is a Japan Aerospace Exploration Agency Solar mission with United States and United Kingdom collaboration.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Soliton Wave in a Bose-Einstein Condensate FreeScienceLectures 2007-05-04 | http://www.FreeScienceLectures.comThis video presents dark solitons in a trapped Bose-Einstein condensate decaying into quantum vortex rings.Simulation of condensates with vortices in rotating anisotropic traps, then a 12-vortex array, then condensate containing a soliton in a spherical trap.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Cordyceps Fungus FreeScienceLectures 2007-05-03 | http://www.FreeScienceLectures.comIncredibly 80% of all the insects live in jungles. There can be more than 8 million individuals in a single hectare. But jungle ants don't have it all their own way. Bullet ants are showing some worrying symptoms. Spores from parasitic fungus called Cordyceps has infiltrated their bodies and their minds.Those affected discovered by workers are dumped far way from collony. It seems extreme but there is a serious reason why.Like something out of science fiction the fruiting body of Cordycepts erupts from the ant's head. It can take three weeks to grow and when finished the deadly spores will burst from its tip. Then any ant in the vicinity will be in serious risk of death. The fungus is so virulent it can wipe out whole colonies of ants. It's not just ants that fall victim to this killer. There are literally thousands of different types of cordiceps fungi and remarkably each specializes on just one species.But these attacks do have a positive effect on the jungle's diversity.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Molecular Biology Visualization of DNA FreeScienceLectures 2007-05-03 | http://www.FreeScienceLectures.comFirst the DNA Wrapping is animated.The wrapping allows 6 feet of the long DNA molecule to be densely packed into the tiny nucleus of every cell. The process starts when DNA is wrapped around special protein molecules called histones. The combined loop of DNA and protein is called a nuclei zone. Next the nuclei zones are packed into a thread. The end result is fiber known as chromatin. This fiber is looped and coiled yet again leading to the familiar shapes known as chromosomes which can be seen in the nucleus of dividing cells. Chromosomes are not always present - they form around the time cells divide when the two copies of the cell's DNA need to be separated. Using computer animation based on molecular research we are now able to see how DNA is actually copied in living cells.An assembly line of amazing biochemical machines are pulling apart the DNA double helix and cranking out a copy of each strand. This presentation was made by Drew Barry at The Walter and Eliza Hall Institute of Medical Research.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
Solvay Physics Conference 1927 FreeScienceLectures 2007-05-03 | http://www.FreeScienceLectures.comThe most known people who participated in the conference were Ervin Schrodinger, Niels Bohr, Werner Heisenberg, Auguste Piccard, Paul Dirac, Max Born, Wolfgang Pauli, Louis de Broglie, Marie Curie, Hendrik Lorentz, Albert Einstein and others.The film opens with quick shots of Erwin Schrodinger and Niels Bohr. Auguste Piccard of the University of Brussels follows and then the camera re-focuses on Schrodinger and Bohr.Schrodinger who developed wave mechanics never agreed with Bohr on quantum mechanics.Solvay gave Heisenberg an opportunity to discuss his new uncertainty principle theory.Max Born's statistical interpretation of the wave function ended determinism in atomic world.These men - Bohr, Heisenberg, Kramers, Dirac and Born together with Born represent the founding fathers of quantum mechanics.Louis de Broglie wrote his dissertation on the wave nature of matter which Schrodinger used as basis for wave mechanics.Albert Einstein whose famous response to Born's statistical interpretation of wave function was "God does not play dice."Twenty-nine physicists, the main quantum theorists of the day, came together to discuss the topic "Electrons and Photons". Seventeen of the 29 attendees were or became Nobel Prize winners.Following is a "home movie" shot by Irving Langmuir, (the 1932 Nobel Prize winner in chemistry). It captures 2 minutes of an intermission in the proceedings. Twenty-one of the 29 attendees are on the film.---It's Never too Late to Study:http://www.FreeScienceLectures.com---Notice: This video is copyright by its respectful owners.The website address on the video does not mean anything.---
