Nanowerk

Metasurfaces trained like neural networks redefine how holograms store information

Layered metasurfaces trained as optical neural networks enable multifunctional holograms and security features, integrating ...
Opinion

Ranked choice voting outperforms the winner-take-all system used to elect nearly every US politician

(THE CONVERSATION) American democracy is straining under countless pressures, many of them rooted in structural problems that go back to the nation’s founding. Chief among them is the “pick one” ...

Google plans to power a new data center with fossil fuels, yet release almost no emissions – here’s how its carbon capture tech works

The carbon dioxide might be transported as a supercritical gas – which is right at the phase change from liquid to gas and has the properties of both – or dissolved in a liquid. Once injected deep ...