Harvesting energy from ambient radio waves and light, the ultra-low power device doesn’t need a battery to make calls, but there's a catch
The beauty of dry ice cleaning is the efficient and environmentally safe process; but also the procedure was on view from the street
The new product could be available in about five years, scientists say
The e-mosquito is a continuous glucose-monitoring device that could help people with diabetes better manage their blood sugar
The downstream applications could make food cheaper, repair coral reefs and help restore frog populations
Inventors design a staircase that recycles energy to assist users
Viruses are tiny and hard to see, but a new microscope can track them individually to try to better prevent disease
The, er, sludge replicates the properties of human waste to better understand sanitation in Bangladesh
The new class of repellents, called "excito-repellents," is similar to "getting on an elevator with someone who's put on way too much perfume"
With special ‘memory’ polymers, stents and space habitats could one day build themselves
The ingenuity of this clever writing box was matched only by the young republic's innovative declaration for nationhood
Engineer Hahna Alexander designed SmartBoots, which harvest energy from the wearer's steps, to aid workers in dangerous professions
Arrivals from war-torn countries find refuge at a Georgia academy founded by an immigrant
By making organs transparent, researchers at Tokyo University can spot individual cancer cells
Out-of-the-can branding helped transform World War II's rations into a beloved household staple
Squeeze this paper device and you can create electricity
A tweaked version of the popular adhesive may give a big boost to stretchable electronics and soft robots
With hundreds of moving parts, the Great Historical Clock of America has been revived
A cap made of coffee grounds helps nose and throat surgery patients get the best care
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