Cooling with light

ETH researchers have cooled a nanoparticle to a record low temperature, thanks to a sophisticated experimental set-up that uses scattered laser light for cooling. Until now, no one has ever cooled a nanoparticle to such ...

How 'bling' makes us human

Sparkly jewelry, expensive shoes, designer watches – who doesn't love a bit of "bling?"

Two-toned light pattern creates steep quantum walls for atoms

Exotic physics can happen when quantum particles come together and talk to each other. Understanding such processes is challenging for scientists, because the particle interactions can be hard to glimpse and even harder to ...

Biologist invents a way to make Mardi Gras more green

Tens of thousands of pounds of plastic Mardi Gras beads enter the environment every year. After the parades, most of the discarded beads end up in the landfill. A biologist at Louisiana State University is developing an innovative ...

Liquid shock absorbers

Remarkable liquid materials called colloids stiffen under impact. Researchers funded by the Swiss National Science Foundation have studied the effect of powerful impacts such as those produced by firearms or micrometeorites.

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