salman alam

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What Happens To Your Prosthetics After You Die?

Multiple groups are trying to recycle used artificial limbs and devices like pacemakers.<p>As prosthetics become more common, they are increasingly left over when people die. Where do they go?<p>In the case of "inert" implants, like silicone breast implants or artificial hips, they are often left in and …

Prosthetics

How Will Drones Change Sports?

Popular Science sat down with drone company Arch Aerial to chat about how drones are changing the way some sports are filmed.<p>A couple years ago, Ryan Baker founded Arch Aerial, a Houston-based drone manufacturer. An archaeologist by training, Baker worked on shooting excavations for clients, and …

When Sleep Goes Terribly Wrong

A story of lost time<p>Chris Stimac was a typical high school freshman: athletic, friendly, into science. He loved football and hoped to play it in college. But in the winter of 2003, he got a flu-like illness, which left him somehow changed. Stimac descended into a dark, foul mood, and he couldn’t …

Stained Glass Windows That Double As Solar Panels

Transparent, colorful cells could decorate, and power, churches one day.<p>Solar panels usually get placed somewhere in the sun, but out of sight. Rooftops, deserts, mausoleums. But what if they were so beautiful we wanted to put them everywhere?<p>That could happen! Maybe. We've at least got the …

Are Calorie Counts on Nutrition Labels Making Us Fat?

Misleading calorie counts on nutrition labels may be steering us toward energy-dense, processed foods.<p><i>Part of our weekly "In Focus" series—stepping back, looking closer.</i><p><b>For the first time in two decades, the U.S. Food and Drug Administration has proposed sweeping changes to the familiar nutrition</b> …

Nano-Tweezers Can Move Molecules With Light

Just in case you were getting bored with the world, we bring you a tiny tweezer made of light beams.<p>Scientists have created the tiniest "tweezers" known to date, which can move around objects the size of single molecules with a "bow tie" of light.<p>"To my knowledge these are the smallest tweezers …

Nanotech

The Garbage Man

Mike Biddle could free the world from having to make new plastic. Forever.<p>In December 2001, American environmental activist Jim Puckett traveled to the town of Guiyu in southeast China to look for old computers. He’d learned that electronic waste from the West was finding its way to Guiyu, and the …

E-waste

A Cheap, Promising Way to Filter Water: Through A Twig

Plant's xylem tissue could be an efficient, low-cost way to filter water.<p>One way to avoid getting sick while traveling is to only eat fruit that you peel yourself, since plants can filter out bacteria and prevent it from traveling throughout their tissues. Well, why not apply this principle to …

Cotton Candy

Sunanda Tharoor was given 'Russian poison', claims Subramanian Swamy

Five weeks after Sunanda Pushkar's mysterious death at a New Delhi hotel, Union Minister Shashi Tharoor and BJP leader Subramanian Swamy are locked …