Kelly Lynn

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Voyager 1 Entered Weird Region In Space Last Summer

New papers describe an unexpected boundary region at the edge of the influence of the Sun.<p>Voyager 1 entered a strange and unexpected part of space within the solar system last August, scientists announced in three papers published yesterday.<p>A few different effects mark the area, which astronomers …

How does spacetime get bent?

In Einstein's universe, spacetime is supposed to be some crazy rubber sheet full of folds and bends. But the idea of curved space is not the most …

Physics

The Energy Fix: Reinventing The Solar Array

Reinventing the array could usher in a new age for solar.<p>The solar market has been on fire. In the U.S., it's grown by 600 percent over the past five years, culminating in 3,313 installed megawatts in 2012. This past March, seven solar projects added the only new utility power of any kind to the …

The Energy Fix: How Waste Could Power The U.S. For Decades

The world throws away enormous amounts of energy each day. In the U.S. alone, waste streams could account for 100,000 megawatts of untapped electrical capacity. New technology could convert those overlooked sources into usable power.<p>The Radioactive Option<p>Next-Next-Gen Nuclear Power<p>U.S. nuclear …

A Few Fundamental Physics and Astronomy Questions for the Next Few Decades

There is no doubt that progress in physics and astronomy in the past century has been phenomenal. From the tiny matter particles (such as quarks, electrons, neutrinos) of the so-called "Standard Model" and the associated force-carrying bosons (such as photons, gluons, <i>W</i>, <i>Z</i>), to the cosmic microwave …

UK scientists want to redefine temperature using the Boltzmann constant, changing the way in which it has been calculated for over 50 years. The …

Space for all: Small, cheap satellites may one day do your bidding

SAN FRANCISCO — Someday, swarms of satellites the size of a tissue box will be snapping pictures, taking environmental readings and broadcasting messages from orbit — but the entities controlling those satellites won't be governments.<p>Instead, they'll be hard-core hobbyists and elementary-school …

Space Exploration

The Hardest Thing To Find In The Universe?

What is rarer than a shooting star?<p>Rarer than a diamond?<p>Rarer than any metal, any mineral, so rare that if you scan the entire earth, all six million billion billion kilos or 13,000,000,000,000,000,000,000,000 pounds of our planet, you would find only one ounce of it?<p>What is so rare it has never …

Stunning Northern Lights Glow Over the Rocky Mountains

Photos of Physicists’ Blackboards Reveal The Ghosts Of Theorems Past

Alejandro Guijarro snaps chalk scribbles left behind in the best physics departments in the world.<p>Physicist Richard Feynman helped build the atom bomb, won a Nobel Prize, and became one of the most famous scientists who ever lived. But even a physicist of Feynman’s stature admitted to grappling …

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For First Time, Astronomers Read Exoplanet's Color

Astronomers have determined that an alien planet is blue like Earth.<p><b>A giant gaseous planet that's orbiting a star 63 light-years away is a deep cobalt blue that's reminiscent of Earth's color as seen from space, scientists say, marking the first time an exoplanet's true color has been …

Basic science quiz: do you know your facts?

FDA Approves Brainwave Device For Diagnosing ADHD

A 20-minute brainwave test improves ADHD diagnoses, according to company data submitted to the FDA.<p>The U.S. Food and Drug Administration has approved a brainwave-measuring device to help diagnose kids with ADHD, a first for the disorder.<p>The device detects two different types of brainwaves, theta …

Spacewalk abandoned after leak in astronaut’s helmet – video

A spacewalk on the International Space Station ended abruptly when a water-like liquid started building up inside an Italian astronaut's helmet, NASA …

Sabre rocket engine could open up access to space as never before | Stuart Clark

Imagine taking off from a runway as you would in a normal aeroplane but flying so high and so fast that when you unclip your seatbelt, you float …

All Charged Up: Engineers Create A Battery Made Of Wood

The big idea behind Joe's Big Idea is to report on interesting inventions and inventors. When I saw the headline "An Environmentally Friendly Battery Made From Wood," on a press release recently, I figured it fit the bill, so went to investigate.<p>The battery is being developed at the Energy Research …

If The Sun Went Out, How Long Could Life On Earth Survive?

Don't worry, you'll have time to post your goodbye selfies to Facebook.<p>If you put a steamy cup of coffee in the refrigerator, it wouldn't immediately turn cold. Likewise, if the sun simply "turned off" (which is actually physically impossible), the Earth would stay warm—at least compared with the …