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This is Scientific Americans' 60-second science.

I'm Steve Merski.

The main practical application of CPA so far has been in the eye surgery. It was the first one,

and I think it is the one that is used by most people for something practical.

Donna Strickland, on the phone this morning with Jorne Hansen of the Nobel Assembly at the Carolinska Institute

after learning that she had shared the Nobel Prize in physics.

CPA is chirped pulse amplification, a technique for producing incredibly short pulses of laser light of very high intensity.

A few minutes before talking with Strickland,

Hansen made the announcement. This year's prize is about tools made from light. The Royal Swedish Academy of Sciences has today decided to award the 2018 Nobel Prize in Physics with one half to Arthur Ashkin

for the optical tweezers and their application to biological systems.

And the other half jointly to Sherar-Mur-Roo and Donna Strickland for their method of generating

high-intensity ultra-short optical pulses.

Author Ashkin was born in 1922 in New York City.

He made his remarkable invention at the Bell Laboratories in New Jersey, in the United States.

Gerard Moru was born in 1944 in Albertville in France, and he is currently at the Ecole

Polytechnique in Palais So in France, and also affiliated with the University of Michigan

...