Victoria Kuhlman

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Researchers develop 3D-printed, urine-powered robot heart

The fictional human-powered machines that appear in the <i>The Matrix</i> trilogy are still far from reality — but maybe not that far. Last month, scientists at the Bristol Robotics Laboratory in the UK announced they had successful create a prototype robotic "heart" that runs on human urine, fabricated …

New water-repellant surface destroys drops that hit it

Water-repellant materials are everywhere. Inspired by structures found in nature, these materials excel at staying dry by making water "bounce" off their surface. Now, a new structure detailed in the scientific journal <i>Nature</i> improves water-resistance even more by shortening the time fluid makes …

Tech and Science

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Science

Experimental camera captures 3D images in near-total darkness

It's one of the most basic rules of photography: to get a picture, you need light. But a new MIT project has built a camera that flies in the face of that logic. The project's new stealth camera can assemble 3D images from one photon at a time, working in near-total darkness. In the images above, …

Could Mockingjays From “The Hunger Games” Exist One Day?

Wildlife<p><b>Besides fire, the overwhelming symbol of this weekend’s blockbuster movie, The Hunger Games: Catching Fire, is of a steel-colored, mohawked bird with a pointed, hummingbird-like bill who trills melodiously.</b><p>Mockingjays are described as a cross between mockingbirds and “jabberjays,” a species …

Tiny Drone Flies Like A… Jellyfish?

The ungainly flapping motion of this latest tiny flying robot closely mimics the swimming motion of a jellyfish.<p><b>It's a bird … it's a plane … it's a jellyfish? The latest tiny drone may not be sleek or stylish, but it's certainly a departure from the usual flying robot design.</b><p><b>In trying to think</b> …

Oldest Javelins Predate Modern Humans, Raise Questions on Evolution

The oldest stone-tipped projectile weapons date to 280,000 years, study says.<p><b>The oldest known stone-tipped projectiles have been discovered in Ethiopia. The javelins are roughly 280,000 years old and predate the earliest known fossils of our species, Homo sapiens, by about 80,000 years.</b><p>These …

Golden Eye-style energy beam is developed by Nato scientists

An energy beam that can be fired to disable vehicles and electronic devices has been developed by Nato scientists.<p>The device uses an intense pulse of electromagnetic energy that can be directed at a moving vehicle to interfere with the electronics on board.<p>Tests conducted by Nato scientists who …

Military