Graphene could yield cheaper optical chips

Graphene—which consists of atom-thick sheets of carbon atoms arranged hexagonally—is the new wonder material: Flexible, lightweight and incredibly conductive electrically, it's also the strongest material known to man.

Being watched makes electricity users consume less

( —The Hawthorne effect is a concept whereby subjects modify and change their behavior in response to the fact that they know they are being studied. A team from Carnegie Mellon have applied this phenomenon to ...

Wet computer server could cut internet waste

A revolutionary liquid-cooled computer server that could slash the carbon footprint of the internet is being tested at the University of Leeds.

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