Y sus cinco soluciones.

Black holes are often described as the monsters of the universe—tearing apart stars, consuming anything that comes too close, and holding light captive. Detailed evidence from NASA's Hubble Space Telescope, however, shows a...

Curves we (mostly) don't learn in high school (and applications)

Time dilation was pretty weird, huh? Well we aren't done yet! Time is relative, and so is space! Different observers measure different lengths for objects and journeys. Weird stuff!

Everyone and their mom knows about E = mc^2, it's the most famous equation in science, and there are plenty of posters you can buy for your dorm room with Einstein's face and this equation floating mysteriously around his head. But what...

If you travel at the speed of light, your mass will increase exponentially. The speed of light is 300,000 kilometers per second (186,000 miles per second). When you move at this speed, your mass will become infinite. Therefore, infinite...

Why is the expansion of the universe speeding up? Dr. Saul Perlmutter answers your question in this special “Mysteries of the Cosmos” edition of Ask a Scientist.

String theory explained with a theoretical physics rendition of Queen's timeless classic, "Bohemian Rhapsody"

Here is Einstein's article in the Monthly review magazine.



Why Socialism? by Alber

t Einstein

This article was originally published in the first issue of Monthly Review (May 1949). It was subsequently published in...

Tipler Cylinders? Wormholes? Ring Lasers? Is it possible to travel BACK in time? In this action packed episode, Dom is hunted down by a government agent who wants to know how he made a time machine.


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br/>Part 1
Dom is chased...

Einstein’s theory of relativity has passed a huge test involving pulsar stars ⁠— extremely dense neutron stars that emit beams of radiation and particles from their magnetic poles.

NASA’s Hubble Space Telescope has determined the size of the largest icy comet nucleus ever found. And, it’s big! With a diameter of approximately 80 miles across, it’s about 50 times larger than typical comets. Its...

Development of Quantum Mechanics: Photoelectric Effect Example 1

So Max Planck kicked things off, but how does the story of modern physics continue? With none other than your favorite scientist and mine, Albert Einstein! He did more than just stick his tongue out and have crazy hair. He elucidated the...

Picasso's Les Demoiselles d'Avignon explains the feeling of being alive in 1907.

In this video students will come to understand how matter and energy can interact through the four fundamental forces: gravity, electromagnetic, strong nuclear, and weak nuclear. Viewers will learn how the four fundamental forces were...

Radioactivity. We've seen it in movies, it's responsible for the Ninja Turtles. It's responsible for Godzilla. But what is it? It's time to learn exactly what nuclear reactions are, and what it is that makes atomic bombs so destructive,...

Old MacDonald Had a Farm! Nursery songs for children. Come visit the animals and learn the sounds they make! Toddler songs! 'Old MacDonald had a farm, E I E I O,' And on his farm he had some chicks, E I E I O. With a chick chick here and...

You know about neurons. Theyêre the superstars. But have you heard about its crew? In this episode of Neuro Transmissions, weêre embarking on a mini series about the brainês entourage - glia! This episode highlights Alieês favorite cell...

Physics is the grandaddy of the sciences! When those ancient dudes in togas were philosophizing about the way the universe works, they were setting the stage for what we now know of as physics, even though it didn't really get going...

How can just two rules of Einstein's 1905 theory of special relativity lead to seemingly paradoxical changes in the perception of time? Want exclusive updates whenever a new video is posted? Special relativity was one of the first...

We talked a little bit about relative motion in the classical physics course, with Galileo dropping stuff in boats. But once Einstein got his hands on relativity, he went a little nutty with it! The inertial reference frames are back but...

Look, up in the sky, it's a particle! It's a wave! Actually it's both. It's light! How do we know about this stuff? Well, because of Einstein for one. He did more than E = mc^2, you know. But don't stare at the sun to see for yourself,...

This is an introductory video to Albert Einstein's photoelectric effect, the discipline that made him a Nobel laureate. <br/>
-For Physical chemistry & Quantum le<br/>vel studies