Kevin Varghese

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Scientists Discover a Jewel at the Heart of Quantum Physics

Physicists reported this week the discovery of a jewel-like geometric object that dramatically simplifies calculations of particle interactions and …

A Powerful Particle Accelerator The Size Of A Speck Of Glitter

On the way to tabletop particle accelerators<p>This little chip may be hardly the size of a speck of glitter, but don't underestimate what it can do. It's actually a particle accelerator that is able to boost electrons at a rate 10 times greater than a conventional accelerator, all in a …

FYI: When Will We Evolve Out Of Our Useless Appendages?

Never. We're probably stuck with our appendix, pinky toes, tailbone and just about all of our other evolutionary holdovers. Wisdom teeth may eventually go, but major changes like losing an appendage (teeth included) take millions and millions of years — who knows if humans will even be around that …

4 Parasites That Want To Invade Your Brain

They just want a nice home! And to destroy you.<p>In the past month, two different 12-year-olds have made headlines after being hospitalized with an extremely rare, horrifying infection: the brain-eating amoeba.<p>Found mostly in warm freshwater lakes, rivers and hotsprings, <i>Naegleria fowleri</i> can travel …

Artificial photosynthesis hits milestone in producing cheap, clean hydrogen from water - ExtremeTech

By on August 21, 2013 at 11:22 am<p>This site may earn affiliate commissions from the links on this page. Terms of use.<p>A decade ago hydrogen fuel cells …

10 Uses for Mostly Useless Chemical Elements

Gold. Titanium. Oxygen. Some elements get all the glory. But even the least practical residents of the periodic table can find a purpose.<p>They're the elements with the big atomic numbers. The ones from the far reaches of the periodic table who rarely get mentioned in the same breath as elemental …

5 Beloved Scientists Who Were Actually Bullies

Electrocuting animals, stealing credit, self-aggrandizing, and more<p>Unfortunately, scientific genius doesn't necessarily come with superhuman social skills. The great minds on this list may have made significant contributions to their fields, but even hundreds of years later, we're still shaking our …

Using Relativity to Find New Worlds

Kepler-76b is about 25 percent bigger than Jupiter and twice as massive. It orbits so close to its star that it goes around in 1.5 days. But what's truly curious about this exoplanet is the way scientists found it. Their method is called BEER, or beaming, ellipsoidal and reflection, which can …

At Work, Be Like Water

By onJuly 16, 2013 in Book Reviews, Wellbeing in the World of Work<p><i>“You must be shapeless, formless, like water. When you pour water in a cup, it</i> …

How Fast Can A Human Run?

Changing Planet<p>Every four years, the premier event at the summer Olympics is the 100 meter dash, the swift sprint that you can literally miss by sneezing. In the past two summer games in London and Beijing, the man who won the race was the Jamaican phenom Usain Bolt. Bolt quickly earned the …

7 World-Saving Inventions From Art School Kids

The concepts and prototypes include a hand-powered washing machine, a landmine-removal kit, and more<p>Each year, graduates from London's Royal College of Art--the U.K.'s preeminent art school--show off projects at the SustainRCA Show. The idea is to give the spotlight to innovative concepts and …

Yahoo!

Sorry, the page you requested was not found.<p>Please check the URL for proper spelling and capitalization. If you're having trouble locating a destination on Yahoo!, try visiting the <b>Yahoo! home page</b> or look through a list of <b>Yahoo!'s online services</b>. Also, you may find what you're looking for if you …

TED Radio Hour: The Hackers

What if there were a way to hack into your brain and make your life better? Neurosurgeon Andres Lozano is doing just that. He told TED Radio Hour host Guy Raz how.<p>Transcript<p>CELESTE HEADLEE, HOST:<p>Time now for an idea worth spreading from the TED Radio Hour. What if there were a way to hack into your …

Groundbreaking New Particle Could Make Hard Drives 20 Times Smaller

There are many reasons why we still have size limitations on technology, but when it comes to data storage, one thing really stands out. You can only …

Physics

Grinding 20-Ton Mirrors For The Giant Magellan Telescope

One of the largest telescopes ever made will reveal previously unobservable facets of our universe's past.<p>The Giant Magellan Telescope (GMT) will be one of the largest telescopes ever made, and will allow scientists to observe distant realms in unprecedented detail. It will display the far reaches …

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 …

NASA: Sun Getting Ready For A 'Field Flip'

Our nearest star is about to pull a once-in-11-years move by swapping its north and south magnetic poles.<p>The sun's polarity switch is a natural part of "solar max" — the period of peak activity during what averages out to be roughly an 11-year cycle. According to NASA, this year will mark the …

Can Chocolate Boost Brain Health? Don't Binge Just Yet

Wouldn't it be grand (and delicious) if we could boost our brain power with a daily dose of chocolate?<p>At first blush, a study published in the journal <i>Neurology</i> this week appears to offer tantalizing evidence that this may be the case, at least when it comes to seniors.<p>In the study, older adults …

U.S. 'Space Fence' Will Cease To Operate, Site Says

A U.S. radar system that tracks thousands of objects orbiting Earth — from satellites to harmful debris — has been slated for shutdown, according to the Space News site. The ground-based network known as the "Space Fence" may cease to operate in October.<p>"This is your notice to begin preparing the …

FYI: Just How Old is Dirt?

Really, really old<p>"It depends on what you mean by dirt," says Milan Pavich, a research geologist with the U.S. Geological Survey.<p>"The oldest sedimentary rocks are about 3.9 billion years old—they're in Greenland—and at one time, they were dirt. That's pretty close to the time the Earth formed."<p>But …

Effective new malaria vaccine offers hope for breakthrough cure

An experimental malaria vaccine called PfSPZ is showing promise after it was found to have blocked the disease in early clinical trials, according to a new study published by <i>Science</i> magazine on Thursday. Researchers are calling the vaccine a breakthrough while also cautioning that PfSPZ isn't ready …

Can we build a lift that could take us into space?

Rockets are an expensive way of taking people to the final frontier, so James May finds out whether the concept of an elevator could ever get off the ground.<p>Space is the final frontier. Or is it? Could we not think of it perhaps as the 4,000th floor instead? James May looks at why we need …

Element of the week: californium | video

What do UC Berkeley, lawrencium and nuclear reactors share in common?<p>This week, we meet the element, californium. I'll give you three guesses as to where this element's name comes from -- and your first two guesses don't count!<p>Californium is a radioactive actinoid with the chemical symbol <b>Cf</b> and the …

What Pangaea Would Look Like With Today's Political Boundaries [Infographic]

Goodbye, East Coast.<p>About 300 million years ago, the supercontinent of Pangaea started to break apart into the continents we live on today. An Italian designer who goes by the name Massimo put Pangaea back together, then added on modern political boundaries, creating the map you see here. Brazil …

Opportunity to see Venus in daytime on October 7 and 8

October 7 and 8, 2013 present two chances for seeing Venus in daylight, because the moon appears near this planet.<p>Have you ever seen the moon in a …

What Twins Reveal About The Science Of Faith

Studies of twins suggest that faith is influenced by genes.<p>I am frequently asked by journalists to recall the most surprising finding of our twin studies. The study of religion and belief in God is the one that always comes to mind, and the results are not easily accepted by many people. Most …

Gases left by Perseid meteors a boon to these astronomers

Enjoy this year’s Perseid meteor shower which peaks on the night of August 11-12; astronomers say they will, too!<p>The annual Perseid meteor shower is …

The Hackers : TED Radio Hour : NPR

<i>A hacker is somebody who doesn't ask how something works — they just see what works.</i> — Jay Silver<p>Science and technology now allow us to "hack" solutions to the biggest challenges of our time. But how far is too far? And what are the consequences of these hacks? In this hour, we hear stories from …

Can Hacking The Stratosphere Solve Climate Change?

<i>Part 3 of the</i> TED Radio Hour <i>episode</i> The Hackers.<p><b>About David Keith's TEDTalk</b><p>Environmental scientist David Keith proposes a cheap and shocking way to address climate change: What if we inject a huge cloud of sulfur into the atmosphere to deflect sunlight and heat?<p><b>About David Keith</b><p>Environmental …