Laser makes uphill battle easier | Science News

Real Science. Real News.

Science News is a nonprofit.

Support us by subscribing now.


Laser makes uphill battle easier

Scientists have etched plates to pull liquid up

5:46pm, June 11, 2009

If Sisyphus’ punishment involved dragging buckets of water uphill rather than rolling a boulder, science could have helped him out.

Researchers have used a femtosecond laser to etch tiny channels into metal plates, prompting liquid to flow uphill. The work could lead to devices that draw fluid across microchips or coolant through computers, report Chunlei Guo and his colleagues in the June 1 Applied Physics Letters.

The gol

This article is only available to Science News subscribers. Already a subscriber? Log in now.
Or subscribe today for full access.

Get Science News headlines by e-mail.

More from Science News

From the Nature Index Paid Content