Why petting your cat leads to static electricity

Anyone who has ever pet a cat or shuffled their feet across the carpet knows that rubbing objects together generates static electricity. But an explanation for this phenomenon has eluded researchers for more than two millennia.

Atomic-resolution imaging shows why ice is so slippery

A team of physicists affiliated with several institutions in China has uncovered the reason behind the slipperiness of ice. In their study, published in the journal Nature, the group used atomic force microscopy to get a ...

Advancing tissue engineering with shape memory hydrogels

One of the primary goals in the field of tissue engineering and regenerative medicine is the development of artificial scaffolds that can serve as substitutes for damaged tissue. These materials must ideally resemble natural ...

NASA to demonstrate autonomous navigation system on moon

When the second CLPS (Commercial Lunar Payload Services) delivery is launched to the moon in mid-February, its NASA payloads will include an experiment that could change how human explorers, rovers, and spacecraft independently ...

How to make bright quantum dots even brighter

Quantum dots are a kind of artificial atom: just a few nanometers in size and made of semiconductor materials, they can emit light of a specific color or even single photons, which is important for quantum technologies. The ...

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