Nicholas Wall

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Don't Just Shiver, Here Are 3 Cold-Weather Experiments To Try

In case you haven't heard, it's (really, <i>really</i>) cold outside for most of us living in the lower 48.<p>Chicago, which is already known for its biting cold, hit 16 below zero this morning, setting a new record low for a Jan. 6. (The coldest day in recorded history for the city is 27 below zero set on …

WATCH: Scientists Suspend Objects in Midair with Sound Waves

No smoke, no mirrors, just sound was all scientists needed to levitate objects in midair.<p>NPR reports that researchers at the University of Tokyo have …

The 50 Most Dazzling Pictures From Space

Taking pictures in space ain’t just point and shoot. When a spacecraft is billions of miles from home, it takes an awful lot of data processing and …

20 Amazing Chemical Reaction GIFs

Blood meets hydrogen peroxide<p>Source: Iitmne<p>Sodium acetate crystallization<p>Source: Imgur<p>Belousov–Zhabotinsky reaction<p>Source: GIF Trunk<p>Water bridge …

A Smartwatch That Tells Time With Scent

An idea that doesn't stink<p>Most smartwatches constantly pester their wearers about appointments, e-mails, or even calories they have left to burn. Aisen Caro Chacin, who teaches physical computing at the Parsons New School for Design in New York, has built one that doesn’t blast stressful reminders. …

Why Sugar Makes Us Feel So Good

Last week, I reported that scientists are working their way toward a consensus that sugar is addictive. While some researchers are still hesitant to liken sweet stuff to drugs or alcohol, the evidence is accumulating to explain why some of us really struggle to resist or moderate our sugar intake. …

77-Year-Old Man “Paints” Japanese Landscapes on Excel Spreadsheets

While most digital artists opt to use Photoshop or other similar digital imaging software, 77-year-old Japanese artist Tatsuo Horiuchi chooses to work with Microsoft Excel to produce his beautiful works of art. His “paintings” are remarkably intricate works that mimic traditional Japanese paintings …

Scientists Are Using Metamaterials To Build Everything From Wireless Phone Chargers To Invisibility Cloaks

While the holy grail of metamaterials is still to make objects and people invisible to the eye, they are set to have a more tangible commercial impact playing more mundane roles - from satellite antennas to wirelessly charging cellphones.<p>Metamaterials are simply materials that exhibit properties …