Aravamuthan Soundirarajan

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Stunning NASA Visualization Reveals Secret Swirlings of Carbon Dioxide

The new simulation tracks the invisible gas that's warming the planet.<p>NASA has released a striking visualization of how carbon dioxide flows around the world. In the simulation, plumes of the greenhouse gas gush into the atmosphere from major industrial centers, swirling from continent to continent …

This NASA Video Shows Carbon Emissions Drifting Around the Globe

All of the carbon emissions of the year 2006 compressed into three minutes.<p>If you've ever wondered what happens to all those carbon emissions the United States puts out, here's the answer in striking visual form.<p>NASA's Goddard Spaceflight Center created this simulation using a computer model called …

Carbon Emissions

Can You Fix A Machine By Smacking It?

Short answer: Maybe for a while.<p>On <i>Happy Days</i>, one of the Fonz’s signature moves was to pound the jukebox to make it work. There’s a certain logic there, says Mack Blakely, executive director of the National Electronics Service Dealers Association. “In the old days, devices had a lot of mechanical …

Emergency Medicine

The Justice Department Has Been Spying on Your Phone From Airborne Cessnas

The government is spying on your phone from a Cessna.<p>According to a major report just published in the <i>Wall Street Journal</i>, a secret U.S. government program has been spying on Americans' phones and collecting their data by using fake cell towers—flying fake cell towers, actually.<p>The audacious scheme …

There's an 850-hp Drag Racer Hiding Under This Camry Skin

Outrageousness abounds at the 2014 SEMA show, so for a moment you might be excused for thinking this silver 2015 Toyota Camry wears nothing more involved than some custom wheels and smoky tint. That impression will swiftly fade, though, when the mild-mannered sedan flips open, Funny Car–style, to …

This Robot Pierces Your Cheek To Reach Your Brain

Sounds painful, but it might be better than drilling.<p>In the future, some forms of brain surgery may not require surgeons to drill through your skull.<p>Researchers from Vanderbilt University have announced a robot, still under development, that can target precise spots in the brain through the …

The Brain

DIY: How To Light Up Your Bike Wheels [Video]

Crafty, safe fun<p>As the winter months approach, darkness is falling earlier and earlier. Do not bike gently into that good night! By spending a few hours tinkering with LEDs, you can outfit your dull wheels with hypnotically glowing rings.<p>Some kits on the market use customizable circuit boards to …

Arduino

CNN-News18 Breaking News India, Latest News Headlines, Live News Updates

4th AnniversaryPM Narendra Modi and Amit Shah Play up NDA's Achievements, Opposition Terms it 'India Betrayed'<p>kings of europe<p>Champions League Final: …

Video: Paralyzed Rats Walk Again, Now Farther Than Ever

Scientists found that fluctuating the electrical signal to the rodents' paralyzed legs can make them step higher and walk for longer.<p>Like a severed telephone line (from back in the days when phones had wires), a spinal cord injury can cut off communication between the brain and the rest of the body …

Algorithms

The Week In Numbers: Crabwalking Robots, Ferocious Fungi, And The Future Of Game Of Thrones

A theoretical spoiler below<p><b>165</b>: number of pounds Lonesome George weighed at the time of his death, before scientists stuffed and mounted him for display.<p><b>2</b>: the number of rubber bands needed to build your own shoebox phone projector.<p><b>100,000,000</b>: amount of money in American dollars the President of …

Game of Thrones

Dual Invisibility Cloak Hides Objects in Two Ways at Once

Cloaking tech takes another step with a new invention that had hide an object's heat and electrical signature simultaneously.<p><i>Illustration of the dual cloak. Credit: Y. Ma et al.</i><p>What good is a cloaking device that can shield sound but not light, or light but not heat? Over the past decades, …

Engineering

World's Longest Snake Has Virgin Birth—First Recorded in Species

An 11-year-old reticulated python produced six babies without mating in 2012.<p>Virgin birth has been documented in the world's longest snake for the first time, a recent study says.<p>An 11-year-old reticulated python named Thelma produced six female offspring in June 2012 at the Louisville Zoo in …

Doctors transplanted 'dead hearts' into three patients, and it worked

A medical first<p>Two months ago, doctors in Australia transplanted a "dead heart" — a heart that had stopped beating inside a donor's chest — into a 57-year-old woman, reports the <i>BBC</i>. The operation, which has been deemed success, was unlike any other, because for the first time, it didn't involve a …

The Week In Numbers: Secret Robot Space Planes, Elephant Weathermen, And Suspended Animation

<b>10</b>: Percent of people who are frightened of needles. They could benefit from a new technology which may make injections pain-free.<p><b>6</b>: Episodes in the first season of a new show called <i>How We Got to Now</i>, which tells the story of simple inventions that shaped the modern world.<p><b>200,000</b>: Number of …

Philae

The Big Future: Can we colonize Mars?

Mars has been seeing a lot of action lately, between NASA's string of rovers and new projects from Elon Musk and Mars One. But what would it take to set up a permanent settlement there? Could humans survive in such a harsh and alien setting? In this week's <i>Big Future</i>, Adrianne Jeffries takes a look …

Researchers Make One-Atom-Thin Electrical Generator

Super-thin material could turn clothing into a power source<p>How thin can an electrical generator possibly be? Thanks to a study published yesterday in Nature, the answer is about as thin as possible. Using molybdenum disulfide, researchers from the Georgia Institute of Technology and Columbia …

Nanotech

Brain: Why exercise boosts IQ

If you want your mind to be sharper, the evidence suggests you should visit the gym. But how can exercising your muscles boost your brain power?<p>We tend to assume that brains don’t go with brawn – but that assumption is turning out to be seriously flawed. As the latest video from the Head Squeeze …

India Zooms To Mars Much More Cheaply, But With Trade-Offs

Earlier this week, two spacecraft arrived at the planet Mars. One came from India, the other from the U.S. Both are now in orbit and collecting data. But the Indian probe is conducting its mission at a tiny fraction of the cost of its NASA counterpart.<p>"Some of the publicly available numbers are in …

15 Ways to Fix Everything With Duct Tape

China's Future Submarine Could Go The Speed Of Sound

Thanks to a gas bubble and a liquid lubricant<p>The submarine of the future may come to America in a super fast bubble, traveling under water. Researchers at China's Harbin Institute of Technology developed a new concept for submarine “supercavitation,” where an underwater vessel creates a pocket of …

Engines