Science & Technology

Our still feeble and incomplete understanding of the workings of the 'multiverse' and its application


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Science & Technology

Science & Technology

  • 15 Pins

What happens when you wringing water out of a saturated cloth while in micro- or zero-gravity conditions? In the absence of other forces, the surface tension of the water is strong enough to hold it together surrounding the cloth (and the astronaut's hands. Science!

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Mix nerd (ish) students, scientists, and astronauts and you have the real Gangnam NASA Johnson Style

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Powers of Ten™ (1977) - Visualization of the relative size of things in the universe, starting at a picnic in Chicago and zooming out by factors of ten for 100 million light years. Wondrous... and the the return trip and beyond, entering the skin of a person at the picnic to examine ultra-small powers of ten.

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The World of the Dinosaurs - An example of what the Nerds at the Symphony of Science Project do for a living. Awesome...

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Where Did The Moon Come From? - Visualization from a BBC documentary.

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The Known Universe by the American Museum of Natural History - Visualization starting at Earth's Himalayan Mountains and then zooming outward showing orbits of Earth's satellites, Sol, the solar system, the extent of humanity's 1st radio waves, the Milky Way, distant galaxies and quasars, and then finally back again to Earth.

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Our Story in One Minute - from the Big Bang; the early universe; the formation of the Earth and its moon Luna; the emergence of life; the dinosaurs and a devastation meteor impact; the rise of mammals and humans; and, finally, to the rise of civilization. Video is from the Symphony of Science Project.

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The basis of life on Earth, Deoxyribonucleic acid (DNA). Unraveled, DNA would stretch more than 6 feet but it is coiled in every microscopic cell of your body. This is a video about how DNA is replicated by the body's cells.

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A Flight Through the Universe, by the Sloan Digital Sky Survey, is the most detailed 3-D model yet of the universe. Galaxies form huge clusters while expansive voids also exist nearly absent of galaxies. The void circles the known universe at about 2 billion light years from Earth.

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Arguably the most sophisticated landing yet attempted on another planet, the Curiosity entry vehicle had to autonomously shed its heat shield, deploy a parachute, executive several rocket maneuvers, and operate a first-of-a-kind Sky Crane to lower its small car sized rover to the surface of Mars. Why was the 7-minute landing autonomous? Because that's shorter than it takes a signal to reach Earth.

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Lightning captured at 7,207 images per second. Lightning begins as weak meandering downward negative channels searching for positive. Just 0.015 of a second later (realtime), a charge leader finds positive resulting in a powerful ground flash return stroke to negative in the clouds.

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Zooming Into The Center Of The Milky Way through the power of human telescopes to find stars and gas clouds orbiting an invisible object - the supermassive Black Hole at the heart of our galaxy.

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WTH is the Higgs Boson? Here's a great physics cartoon with an explanation from PHD Comics

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Ever wonder what it would be like to approach the speed of light? Watch this relativistically-accurate animation.

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apod.nasa.gov

Equations for light

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