Sudhanva Arunkumar

109 Flips | 2 Magazines | 1 Following | @Sudhanva1 | Keep up with Sudhanva Arunkumar 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 “Sudhanva Arunkumar”

The Quest To Harness Wind Energy At 2,000 Feet

High-altitude wind contains enough energy to power the planet. A Boston start-up wants to be the first to bring it down to Earth.<p>Nothing about the grooved, inflatable body taking shape inside Greentown Labs in Somerville, Massachusetts, resembles a wind turbine. It looks more like a jetliner's …

One In Five Sun-Like Stars Have Earth-Like Planets

Earth-like exoplanets are really common, and that's pretty cool.<p>Back in February, a team at Harvard announced they had found a possible Earth-like planet just 13 lightyears away. The study detailed the prevalence of these planets orbiting red dwarf stars and found that about 15 percent have …

Friction Physics Reveals Details Of How People Hauled 100-Plus-Ton Stones To China's Forbidden City

Sounds like cold, hard work<p>Records say that in 15th-century China, workers hauled 100-ton-plus stone blocks 43 miles from a quarry to build the Forbidden City, over man-made paths.<p>The workers dug wells every half-kilometer to reach water, which they would pour to create ice roads in the deep …

Spectacular Lightning Show Over the Grand Canyon

The Grand Canyon inspires many people to photograph its grandiose scale and scenic landscape, but Sedona-based photographer Rolf Maeder has managed to capture a sight less seen–the Grand Canyon being hit by a spectacular thunderstorm. Being drawn to nature, Maeder originally moved to Sedona 13 …

Big Pic: Sunrise Over A Dark Earth, As Seen From The ISS

Plus, some cool clouds that form only high above the Earth over polar regions<p>Here's what the land of the midnight sun actually looked like at 12:15 am local time, August 4. Astronauts in the International Space Station snapped this photo as they crossed over the Aleutian Islands. If the foreground …

The 9 Coolest Space Photos From Astronaut Karen Nyberg

Dispatches from Nyberg's Pinterest page<p><i>Click here to enter the gallery</i><p>Our Earth can be a violent, desperate place. Sometimes it's nice to take a broader view and be reminded the blue marble can also be a beautiful place to live. Astronaut Karen Nyberg joined the International Space Station as a …

How It Works: A 3-D Printer For Liver Tissue

The first commercial 3-D bioprinter, Organovo's NovoGen MMX Bioprinter, is manufacturing functional liver tissues that will soon help biochemists test new drugs. Here’s a look at the printing process.<p><b>Step 1</b>: Engineers load one syringe with a bio-ink (A) made up of spheroids that each contain tens …

Matt Smith gets Doctor Who Mr Potato Head

Matt Smith has been given a makeover by toymakers Hasbro as the company celebrates the 50th anniversary of Doctor Who.<p>The actor appears in character …

This Is Elon Musk's Hyperloop

Billionaire Elon Musk has announced details of Hyperloop, his mysterious high-speed transportation project. There was some of what we expected, and a few surprises, too.<p>SpaceX/Tesla Motors founder Elon Musk has unveiled details on the Hyperloop, his proposed (and until now mostly mysterious) plan …

Collage by Hugo Barros

10 of the world's best learn-to-dive destinations

Dreaming of getting your dive ticket? With a combination of idyllic conditions and reputable dive outfits, we’ve narrowed down the top spots to get certified – from the Caribbean to the Maldives, and everywhere in between.<p>Gili Trawangan, Gili Islands, Indonesia<p><b>The diving:</b> Indonesia boasts an …

Scuba Diving

Time to look for Mira the Wonderful, a famous variable star

It’s time to look for the star known as Mira the Wonderful. It’s a famous variable star in the constellation Cetus the Whale.<p>More often than not, you …

A new way of thinking about how the brain works

My book, <i>50 Human Brain Ideas You Really Need to Know</i>, is out now, and is available at a discount price from Amazon and the <i>Guardian</i> bookshop. (And here's a lovely review by Vaughan Bell, who calls it "a concise, solid grounding in neuroscience… remarkably lucid… balanced and entertaining".) When I …

Stem cells: what happened to the radical breakthroughs?

It's 1998 and science is taking big strides. The first cloned mammal, Dolly the Sheep, has just had her first lamb; the first robotically assisted heart surgery has been completed; Furbys have hit the shelves. In a bold announcement, biomedical engineer Professor Michael Sefton declared that within …

Is the Higgs Boson the Source of Dark Energy? New Theory Says "Yes"

Now, two physicists – Lawrence Krauss of Arizona State University and James Dent of University of Louisiana-Lafayette – suggest that the recently …

Inside the Hyperloop: the pneumatic travel system faster than the speed of sound

It is called “The Hyperloop” and, according to the designer, it will be a revolutionary “fifth mode” of transport, eclipsing trains, planes, boats and automobiles.<p>The “cross between Concorde, a rail gun and an air hockey table” will deliver passengers between US cities faster than the speed of …

"Beyond the Higgs Boson" --World's Physicists Search for Hidden Dimensions of Space and Time

Scientists debated those and other questions July 28-Aug. 6 at the University of Minnesota during the 2013 Snowmass Community Summer Study, the …

Night sky photographer John Chumack (www.galacticimages.com) took this stunning image of the waning gibbous moon as it rose through a haze of clouds over Rice Lake, Ontario, Canada on June 26. http://oak.ctx.ly/r/9jvh

34 Courses That Every Golfer Must Play

We've created the ultimate bucket list for golfers.<p>Some of these golf courses are famous for their rich history, while others offer breathtaking views and unique locations.<p>From Scotland's historic Muirfield to the Dominican Republic's challenging Teeth of the Dog, here are the golf courses every …

10 Amazing River Trips in North America

There's a place for vacations that include museum tours and visits to the childhood homes of famous people, but sometimes you need to feel your heart pound and catch a lump in your throat. For the latter type of experience, head to the mountains: The rivers are calling.<p>Whitewater rafting can spice …

To Make An Unbreakable Code, Use Quantum Physics

As soon as you try to crack it, the encryption changes.<p>During World War II, the Nazis used a famously complex code machine to communicate military orders, assuming that no one would go through the effort needed to break its formidable encryption. The typewriter-like Enigma was a marvel of …

Astronomy Photographer of the Year 2013 shortlist - in pictures

The Royal Observatory Greenwich has announced the shortlist for the 2013 Astronomy Photographer of the Year competition. Photographers captured spectacular sights from across our solar system, the galaxy and beyond – from stunning auroras in the Earth's atmosphere to frenzied storms on the sun and …

China's rainbow mountains - in pictures

The Danxia scenic area in Gansu province, north-west China, is a landform of reddish sandstone that has been eroded to create unusual rock formations

408 Hot Air Balloons Just Took Off at the Same Time — Here's Video

Humans tame light, stop it from moving for a full minute

Beams of light are usually speeding along at around 186,000 miles per second, but for one minute, researchers in Germany brought some to a screeching halt. Using a crystal frozen to temperatures below negative 450 degrees Fahrenheit, a research team managed to hold light in place for a full minute …