vishnu vardhan

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Insect-Eye Digital Camera Sees What You Just Did

Almost all of our cameras form images by using a single lens to focus light onto a light-sensitive sheet. That’s how our own eyes actually work, but there are many other ways of seeing the world. Arthropods—insects,<p>spidersand their kin—have compound eyes, which consist of hundreds or thousands of …

Why people act out of line with their beliefs

Ever been forced to defend a particular position and ended up believing it? You’ve succumbed to one of the most famous theories in social psychology.<p>If at first you don't succeed, lower your standards. And if you find yourself acting out of line with your beliefs, change them. This sounds like …

Psychology

Will we ever... detect gravitational waves directly?

According to Einstein, we should expect to find this radiation everywhere in space. So, why is it still one of astronomy’s most elusive targets?<p>Gravity affects the shape of space and time. Paths of light and massive bodies curve under its influence. When something churns space-time with enough …

Gravitational Waves

Can technology reduce our need to sleep?

Our pick of the week’s science and technology stories, including the search for sleep cures, why Facebook won’t install a Dislike button and medical crises on planes.<p>A beginner’s guide to immortality<br>Venkatesh Rao | Ribbonfarm | 10 April 2013<br>“Human life is like walking into a movie halfway through, …

Social Media

How to Survive Bear Attack | The Art of Manliness

× Survive Bear Attack How to identify a grizzly (brown) bear: short round ears, should hump, 6.5 ft long, 400-800 lbs, found in Europe, Asia, Canada, …

The Life of Jack London #10: Ashes | The Art of Manliness

<i>This article is part of a series that studies the life of Jack London, and especially his display of the Ancient Greek concept of thumos.</i><p>Jack London …

Awesome New Trailer for CAPTAIN HARLOCK: SPACE PIRATE

Tiny glass ‘bottles’ protect DNA from damage

Scientists have figured out how to trap DNA in microscopic shells, which could bring the idea of DNA as the ultimate data-storage medium a step closer to reality.<p>In many ways, DNA could be the ultimate data-storage medium. Ever since James Watson and Francis Crick showed almost 60 years ago to the …

Genetics

Northern Lights: More than just a pretty light show

Humans have been fascinated by this unpredictable, eerie light show for centuries. But it’s amazing how little we know about the science behind it.<p>The thermometer on the car is reading -22C. Outside, we are standing in snow up to my knees. We’re in a region called Inari in Finnish Lapland, inside …

Astronomy

F-35 Joint Strike Fighter battles for future

The multi-billion-dollar jet has faced a turbulent birth, but it is not flying into clear air just yet.<p>The F-35 Lightning II, better known as the Joint Strike Fighter, is the world’s most expensive military weapons programme.<p>The stealthy fifth-generation fighter, built by Lockheed Martin, is …

Aviation

Printable bionic ear sends hearing to the dogs

Using off-the-shelf 3D printing tools, silver nanoparticles, and cell culture, scientists at Princeton University have created a functional bionic …

3D Printing