S Gowri Shankar

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Neuroscience Reveals the Nourishing Benefits That Silence Has on Your Brain

Here's what happens to your brain when it's surrounded by the noise of nothingness.<p>When's the last time you sat in total, utter silence? While it's not easy to find true peace and quiet, there's now evidence you may want to find more opportunities to embrace noiselessness throughout your day.<p>We …

The Brain

Memory alloy bounces back into shape 10 million times

<b>Engineers have produced an alloy that springs back into shape even after it is bent more than 10 million times.</b><p>"Memory shape alloys" like this have many potential uses, but present incarnations are prone to wearing out.<p>The new material - made from nickel, titanium and copper - shatters previous …

University of Oxford

The man who brought us the lithium-ion battery at the age of 57 has an idea for a new one at 92

The climate is changing, oil prices are dropping, and the world is in need of a super-battery. John Bannister Goodenough is working on one.<p>The …

Nobel Prize

So long, transistor: How the 'memristor' could revolutionize electronics

<b>(CNN) —</b> In 1971, a physicist conceptualized the existence of a fourth fundamental element in the electronic circuit, besides the three that were already in use at the time.<p>His name was Leon Chua and he believed -- for reasons of symmetry -- that an extra component could one day be constructed to …

Fun-Da-Mental

Weapons For Future Wars On Sale At Abu Dhabi Arms Show

The future of war is mostly armored cars<p>The International Defense Exposition is a technology conference with a whole lot of sellers and very few buyers. On display are the latest in weapons that countries are willing to sell to each other, and they run the gamut from robot patrol boats and fast …

Military

Researchers make a 3D-printed jet engine

A group of researchers at an Australian university, along with its spinoff company, have used 3D printing to make two metal jet engines that, while …

3D Printing

Praise for Indian sisters after fightback video goes viral

Two Indian sisters have been hailed for their courage after a video that has gone viral on social media showed them fighting back against youths who had allegedly sexually harassed them on a packed bus.<p>Filmed on a mobile phone it shows the women aged 19 and 22, hitting out notably with a belt, …

Elon Musk Testing ‘X-Wing’ Fins For Reusable Rockets, Seafaring Spaceport Drones For Landing

Let’s face it: Elon Musk is probably a time traveller sent back to help us leave earth behind and achieve the next phase of human evolution. The inventor and entrepreneur issued a minor tweet storm today, in which he detailed a new SpaceX program to test the function of “X-Wing” style grid fins …

Amnesty anti-spyware app tells you if the government is watching you

Privacy campaigners have developed an app that scans your computer for surveillance spyware.<p>Ever feel like someone's watching you? Amnesty International has released an app to find out if governments are spying on you.<p>Detekt is a free and open source software that scans your computers for known …

Surveillance

How Sapphire, The Nearly Indestructible Material Now Being Used For Smartphones, Is Made

There's been a lot of buzz around sapphire, an extremely hard material that smartphone makers are using to produce scratch-proof screen displays. Huawei, the world's third largest smartphone maker, unveiled the Ascend P7 with a sapphire display on Friday. The announcement follows rumors that …

Protons

Without this equation there would have been no internet

It showed how to make communications faster and take up less space on a hard disk, making the internet possible<p>This equation was published in the 1949 book <i>The Mathematical Theory of Communication</i>, co-written by Claude Shannon and Warren Weaver. An elegant way to work out how efficient a code could …