Engineering

Black silicon UV responses exceed 130% efficiency

"For the first time ever, we have direct experimental evidence that an external quantum efficiency above 100% is possible in a single photodiode without any external antireflection," says Hele Savin, associate professor of ...

Robotics

RoboBee powered by soft muscles

The sight of a RoboBee careening towards a wall or crashing into a glass box may have once triggered panic in the researchers in the Harvard Microrobotics Laboratory at the Harvard John A. Paulson School of Engineering and ...

Robotics

You can't squash this roach-inspired robot

If the sight of a skittering bug makes you squirm, you may want to look away—a new insect-sized robot created by researchers at the University of California, Berkeley, can scurry across the floor at nearly the speed of ...

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