Ellen Greaney

19 Added | 3 Magazines | 5 Likes | 7 Following | 19 Followers | @EllenGreaney | Keep up with Ellen Greaney on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Ellen Greaney”

Stanford engineers take big step toward using light instead of wires inside computers

Using a new algorithm, Stanford engineers can design and build a prism-like silicon structure that can bend light at right angles. The goal is to …

Micro-photography of individual snowflakes by Alexey Kljatov

Watch the magic of sound and science in 'Cymatics'

Sound never looked so good<p>Tallying up nearly two million views across Vimeo and YouTube in two weeks, my favorite thing on the internet today is still "Cymatics," a music video from Nigel Stanford from his new album Solar Echoes. Stanford put together a series of science experiments that …

We landed twice: Philae comet probe may have bounced after harpoon failure

<b>London (CNN) —</b> The comet probe Philae may have bounced when it landed, the European Space Agency said Wednesday.<p>It is the first time a soft landing has been achieved on a comet -- but there was a hitch.<p>Comet 67P has a very weak gravity, so anchoring harpoons were designed to shoot into the comet to …

Rosetta comet landing: everything you need to know

#cometlanding is trending and we have a live stream of the momentous occasion. But why is the comet landing so exciting?<p>ESA attempts to land spacecraft on comet – live coverage Rosetta’s success will illuminate the origins of life, writes Usama Hasan Philae makes successful landing on comet See the …

Pioneering scientists share £23m Breakthrough prize pot at US awards

Breakthrough prizes may elevate scientists to rock-star status, showering the finest minds in science with lucrative awards<p>No one becomes a scientist to make themselves rich, but for a growing minority at the top of their game, big money has found them regardless.<p>At a lavish ceremony in California …

Space Exploration

Your science questions answered

Q Given the fact that the atom consists mainly of empty space and glass has a much higher density than paper, why is it that I can’t look through a sheet of paper but easily through centimetre-thick glass? asks Thoralf Schubert<p>A As Professor Philip Moriarty from the University of Nottingham …

Understanding quantum tunnelling

Quantum tunnelling sounds like science fiction, and does indeed feature quite often in the genre. But it is real, and plays a role in nuclear fusion, chemical reactions and the fate of the universe. Here’s how it works<p>The recent claim from Stark Industries Lockeed Martin that a compact fusion …

The Brilliant Ten: Manu Prakash Brings Science To The Masses

He creates low-cost alternatives to high-tech research equipment.<p>When he was a boy growing up in India, Manu Prakash didn’t have a microscope, but he’d seen drawings of one. Convinced he could build his own, he stole the thick lenses from his brother’s only pair of eyeglasses. Though the fledgling …

Kano Review: A $150 DIY Computer and Coding Kit

We live in an age where many children have access to smartphones, tablets and laptops. They’re powerful and intuitive, offering the Web and an ever-growing library of apps to explore. Learning and accessing information has never been easier.<p>But these children, and a ton of adults too, have little …

Inventors Of Ultra-High-Res Microscopes Snag Nobel Prize In Chemistry

The rules of microscope optics were made to be broken<p>In 1873, a German physicist named Ernst Abbe set a boundary on the field of microscopy. He came up with the resolution limit for optical microscopes, which is roughly half the wavelength of light. With a wavelength of 550 nanometers typically …

HoodiePillow Is Everything You've Ever Wanted In A Pillow

The controversial Knee Defender has caused endless drama in the skies -- but we guarantee THIS travel invention will never start a conflict...because everyone who's using it will be asleep.<p>Behold the HoodiePillow, quite possibly one of the greatest napping inventions of our time. This brilliant …

Runner-Up In NASA's Space Taxi Contest Will Fight Decision

Will NASA be required to fund the Dream Chaser?<p>With the recent retirement of the Space Shuttle program in 2011, NASA has been in desperate need of some space taxis -- vehicles designed to transport astronauts to and from the International Space Station. For the past three years, the space agency …

Smithsonian Wilderness Forever Photo Contest Entries

To observe and commemorate the 50th anniversary of the Wilderness Act, which was enacted half a century ago on September 3, 1964, the Smithsonian’s …

Illustrator Creates Doodles That Interact With Their Surroundings

French art director and illustrator David Troquier, who goes by Troqman, has an impressive sense of humor. He creates scrapbook doodles and places …

Drawing