Rijul Gupta

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Whoa! Scientists Grow A Brain In A Dish

It may not be same shape as a 9-week-old embryonic human brain, but it's got a lot of the same functional organization.<p>Researchers from the Institute of Molecular Biotechnology in Vienna, Austria, have grown a three-dimensional, self-organizing model of a developing human brain in the lab using …

Could Robot Aliens Exist?

Ask an astrobiological philosopher!<p>The existence of a race of sentient alien robots might be not just possible, but inevitable. In fact, we might be living in a "postbiological universe" right now, in which intelligent extraterrestrials somewhere have exchanged organic brains for artificial …

CIA Kept Area 51 Secret Because Rumors Cooler Than Reality

A spy plane, an intelligence agency, and the magical logic of conspiracy theories all made an American legend.<p>Yesterday the CIA declassified a 400-page document about Area 51, the secret facility in the Nevada desert that has fascinated armchair historians and tormented conspiracy theorists for …

Sea level and temperatures hit record highs last year, report says

The US had its warmest year on record in 2012 as carbon levels grew and Arctic sea ice melted. Another downer: the global sea level hit an all-time high last year as well. These and other troubling environmental records were published Tuesday in the 32nd edition of the American Meteorological …

Watch Me Do Something Impossible In Three Totally Easy Steps

Here's what the Swedish artist Oscar Reutersvard did. In 1934, he got himself a pen and paper and drew four cubes, like this.<p>Then he drew some more, like this.<p>And, then — and this is where he got mischievous — he drew one more set, like this.<p>He called this final version "Impossible Triangle of Opus …

10 Search Tricks for Smarter Googling

Keep inane and junky websites out of your Search results and make Google work for you.<p><b>SEARCH</b> tools site:popularmechanics.com<p><i>searches the site popularmechanics.com for tools</i><p><b>SEARCH</b> 1900..2000 presidents<p><i>finds presidents between 1900 and 2000</i><p><b>SEARCH</b> William * Clinton<p><i>searches for</i> William <i>and</i> Clinton <i>with</i> …

First Inductively Charged City Bus System Now Rolling

One South Korean city started testing them yesterday.<p>Here's one way you could charge electric cars in the future. A South Korean city is testing electric buses that get their charge from cables buried underneath the road.<p>The cables create magnetic fields that a device on the underside of the buses …

New Theory: The Universe Isn't Expanding, It's Just Gaining Mass

But you'd never know, because everyone is getting more massive at the same time.<p>Whoa. One cosmologist is proposing that the universe isn't actually expanding, as the standard theory goes. Instead, the redshift effects astronomers see could mean that everything is just gaining more mass, while …

Good News For Flexible Electronics: Scientists Invent A Stretchy Gold Conductor

A new nanoparticle material conducts electricity even when stretched to twice its original length.<p>A team of scientists at the University of Michigan has discovered that when stretched to their limits, gold nanoparticles embedded into elastic material self-assemble into conductive pathways. The …

10 Robots That Are Way More Athletic Than You

Oh, you're a pro swimmer? Well, Swumanoid's an Olympian.<p>Maybe you're really athletic. You're, say, a great basketball player, or you can do those fingertip push-ups the heroes do in kung-fu movies. That's great. But whatever you can do, our future machine-overlords can do better. For …

Big Pic: Underground Machines For Detecting Dark Matter

Going deep underground in search of the elusive particles<p>Almost a mile beneath Gran Sasso mountain in Italy sits the DarkSide detector. DarkSide, which started operating in May, is designed to capture the faint signals generated by dark matter, the elusive particles that scientists suspect are …

All Of The Asteroids That Could Potentially End The World

Here's the path of the nearly 1,400 asteroids that would cause "major devastation" if they hit our planet.<p>It's no surprise that NASA is keeping track of all potentially hazardous objects, or PHOs, that surround our planet. If it's closer than 4.6 million miles away and larger than about 350 feet in …

Colliding neutron stars' kilonova explosion observed by Hubble

A few times a year, Nasa's Swift telescope detects intense flashes of energy coming from deep space.<p>The flashes are short-duration gamma-ray bursts …