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Articles sur Nanomaterials

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Tiny fuel cells convert sweat to electricity that can power sensors in electronic skin. Yu et al., Sci. Robot. 5, eaaz7946 (2020)

A smart second skin gets all the power it needs from sweat

Lightweight, flexible materials can be used to make health-monitoring wearable devices, but powering the devices is a challenge. Using fuel cells instead of batteries could make the difference.
Could graphene - shown here as an illustration of its molecular structure - come to define the next phase of the information revolution? Rost9/Shutterstock

Small world: atom-scale materials are the next tech frontier

Since the 1960s, silicon 'nanomaterials' have driven the information revolution. But as their potential is exhausted, is it time for 'atomaterials' such as graphene to drive innovation still further?
Strange new materials that propel the fictional Star Trek universe are being developed by scientists in reality today. Above, the USS Discovery accelerates to warp speed in an artist’s rendition for the TV series Star Trek Discovery. (Handout)

How quantum materials may soon make Star Trek technology reality

Advanced materials that seem like they come from Star Trek are becoming reality today.
Molecular machines are ready to join forces and take on real-world work. Chenfeng Ke

3-D printing turns nanomachines into life-size workers

Research on molecular machines won last year's Nobel Prize in chemistry. Now scientists have figured out a way to get these tiny molecules to join forces and collaborate on real work on a macro scale.
Some companies have used nano-titanium dioxide to make powdered sugar on donuts whiter. Shutterstock

No big deal: there is little to fear from nanoparticles in food

Two new studies from Food Standards Australia and New Zealand show there's no evidence that nanoparticles in food present a health risk, but there's more research to be done.
The microprocessors on this wafer of silicon have transistors measuring in the nanometres. Shutterstock

Electronics are getting small, and that is causing big problems

As the components in electronic devices are shrinking to the nanoscale, even a single atom out of place can disrupt their function. But this also presents an opportunity to make them even better.

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