One of the most famous paradoxes of all of physics – who’s older? Who’s younger? and WHY? ***** Thanks to The Great Courses Plus (free trial here: http://ow.ly/RCty302dIHU) for supporting MinutePhysics *****
“Look how big the moon is!” you’ve shouted before. But what if I told you that the moon never really changes size, and it’s simply your brain playing a trick? Find out what The Moon Illusion is, and why it happens!
http://www.ted.com There are people who can quickly memorize lists of thousands of numbers, the order of all the cards in a deck (or ten!), and much more. Science writer Joshua Foer describes the technique — called the memory palace — and shows off its most remarkable feature: anyone can learn how to use it, including him.
This video steps viewers through a portion of the choreography needed to land NASA’s Curiosity rover on Mars. It starts with a computer simulation from NASA’s Eyes on the Solar System program and uses actual images from Curiosity’s Mars Descent Imager . It ends with a high-resolution color image from Curiosity’s Mast Camera.
Everything will end. Even the universe. But in a future so far away that it defies description, there will still be light and therefore a chance for life. It will be around White Dwarfs, the corpses of stars. But even they will fade one day..
In 2015 the bees are still dying in masses. Which at first seems not very important until you realize that one third of all food humans consume would disappear with them. Millions could starve. The foes bees face are truly horrifying – some are a direct consequence of human greed. We need to help our small buzzing friends or we will face extremely unpleasant consequences.