Posts tagged with ‘the more you know

Nineteenth century astronomers had it right, 20th century got it wrong and it drastically delayed the search for exoplanets

While space based telescopes such as Hubble and Kepler have become really, really damn good at finding exoplanets now that we know what we’re looking for, there was a point in the early 20th century when scientists thought our planet-rich solar system was a total fluke, and it was likely there weren’t many other planets at all in the solar system. Problem is, this overturned 19th century ideas of planetary formation that were right all along, and would have begun the search for exoplanets much earlier. Nineteenth century astronomers believed solar systems formed in gaseous nebulae, but in the 20th century, the idea became popular that our solar system was a freak, and that all the stuff from the other bodies in it was due to another star passing too close to the sun, causing the sun to eject out all kinds of junk that became the planets and moons, and that such an event was probably extremely unlikely to happen in any other cases, if at all.

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The World’s Smallest Movie: A Boy And His Atom

IBM researchers used a scanning tunneling microscope to move thousands of carbon monoxide molecules (two atoms stacked on top of each other), all in pursuit of making a movie so small it can be seen only when you magnify it 100 million times.

ESO Antenna TimeLapse
The Atacama Large Millimeter/submillimeter Array (ALMA) is a revolutionary instrument in its scientific concept, its engineering design, and its organization as a global scientific endeavor.
Thanks to its high resolution and sensitivity, ALMA will open an entirely new “window” on the Universe, allowing scientists to unravel longstanding and important astronomical mysteries, in search of our Cosmic Origins.
Via ALMA Observatory & ESO

ESO Antenna TimeLapse

The Atacama Large Millimeter/submillimeter Array (ALMA) is a revolutionary instrument in its scientific concept, its engineering design, and its organization as a global scientific endeavor.

Thanks to its high resolution and sensitivity, ALMA will open an entirely new “window” on the Universe, allowing scientists to unravel longstanding and important astronomical mysteries, in search of our Cosmic Origins.

Via ALMA Observatory & ESO

(Source: afro-dominicano)

Iranian is the first woman to win mathematic’s Fields Medal. Score another math victory for Persia.

During the Golden Age of the Persian Empire, Iran was an unstoppable font of mathematical and scientific discovery and progress. And even though she had to move from Tehran to the US to fully pursue her goals, Iranian mathematician Maryam Mirzakhani became the first woman to win the Fields Medal, mathematic’s equivalent of the Nobel Prize. Mirzakhani was awarded the medal for her work in understanding the symmetry of curved surfaces.

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Check out the trailer for ‘The Theory of Everything’, the story of Stephen Hawking

Starring Eddie Redmayne (“Les Misérables”) and Felicity Jones (“The Amazing Spider-Man 2”), this is the extraordinary story of one of the world’s greatest living minds, the renowned astrophysicist Stephen Hawking, who falls deeply in love with fellow Cambridge student Jane Wilde. Once a healthy, active young man, Hawking received an earth-shattering diagnosis at 21 years of age. With Jane fighting tirelessly by his side, Stephen embarks on his most ambitious scientific work, studying the very thing he now has precious little of – time. Together, they defy impossible odds, breaking new ground in medicine and science, and achieving more than they could ever have dreamed. The film is based on the memoir Travelling to Infinity: My Life with Stephen, by Jane Hawking, and is directed by Academy Award winner James Marsh (“Man on Wire”).

Scientists at MIT were able to recover voice and other audio just from a silent video of a bag of chips and some leaves

By analyzing the nigh imperceptible vibrations of leaves and a bag of potato chips, scientists at MIT were able to reconstruct intelligible audio from 15 feet away. All those sound waves bouncing around from the conversation bounced off the chip bag and the leaves— something so minute, you might not think it would be possible to reconstruct an entire conversation from, but they did.

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Sunday mindfuck: Was the Big Bang the product of the collapse of a four dimensional star?

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Trying to figure out exactly what the Big Bang was, what caused it, and what might have come before it, is one of the greatest and most fundamental questions in understanding our universe. One new theory, that may sound crazy, but is mathematically sound and possibly testable, is that what we perceive as a “big bang” was the collapse of a four dimensional star into a black hole, and that our three dimensional universe is merely that four dimensional star being smashed into three dimensions, exactly like how in our universe, three dimensional objects become two dimensional when they reach the event horizon of a black hole. 

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CSPAN finally puts 9/11 Truthers on the air, has people call in with question and the results are hilarious

THERMITE!

Evening science: What is the speed of dark? And why does it act faster than light even though it violates no laws of physics?

How an artificial superintelligence might give birth to itself, and why humanity might be fucked in the process

Lately, Elon Musk has gotten a lot of press for saying that true, self aware AI could be a bigger threat than humanity than nukes, and I personally don’t think this is hyperbole. While it seems inevitable that artificial intelligence will only continue to grow, become faster and more capable, there one day might be a point of no return, where AI becomes self-aware, self-repairing, self-evolving, and it might once that threshold is crossed, such a superintelligence could grow exponentially until human beings, once its master, becomes relegated to no more than worker bees— biological data collection and experience units feeding into an ever-growing artificial intelligent meta-organism.

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Morning science: Everything you need to know about planet Earth

Planet Earth is this solid thing you are standing on right now. In your everyday life you don’t really waste a thought about how amazing this is. A giant, ancient, hot rock. How did it come into existence and how big is it really? You will be surprised. The ground you are standing on is just a very, very small part of the big picture.

NASA has an “impossible” engine that could change space travel forever

Until yesterday, every physicist was laughing at this engine and its inventor, Roger Shawyer. It’s called the EmDrive and everyone said it was impossible because it goes against classical mechanics. But the fact is that the quantum vacuum plasma thruster works and scientists can’t explain why. Shawyer’s engine is extremely light and simple. It provides a thrust by “bouncing microwaves around in a closed container.” The microwaves are generated using electricity that can be provided by solar energy. No propellant is necessary, which means that this thrusters can work forever unless a hardware failure occurs. If real, this would be a major breakthrough in space propulsion technology.

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10 weird facts about human evolution

Such as… did you know that very early Homo sapiens had brains that were much bigger than ours? And not just bigger in terms of size, it’s speculated that they were actually far more intelligent on an individual level, but not so good at working as a team, so eventually we sacrificed individual intelligence in favor of being really good at collective intelligence.









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