Scientists recreate stellar combustion conditions using compact lasers

FORT COLLINS, Colo., Jan. 11 (UPI) -- Until now, recreating the conditions inside a star required the use of massive lasers -- lasers the size of football stadiums. Experiments at Colorado State University suggest compact lasers can be manipulated to produce similarly extreme conditions.

At sea level, humans experience a single atmosphere of pressure. The energy density inside a stellar core measures in the billions of atmospheres. Recreating these intense conditions is difficult.

Recently, scientists realized they could recreate intense stellar pressure using much smaller lasers by hitting nanowire arrays with ultra-short laser pulses. Researchers measured the X-rays emitted by the irradiated arrays, which revealed the penetration of extreme energies within the microstructures of the nanowires.

Scientists used the results to build numerical models, while predicted more intense irradiation produced by more powerful -- but still compact -- ultrafast lasers would be sufficient to generate pressure more intense than the center of the sun.

The breakthrough -- detailed in the journal Science Advances -- could make high energy and density physics accessible to researchers without assess to the world's biggest lasers. The work could provide a boost to researchers working on ways to generate nuclear fusion using lasers.
Brooks Hays


Sen. Ted Cruz attends campaign event in Boone, IowaTuring CEO Martin Shkreli arrves at Federal CourtHillary Clinton attends campaign event in Toledo, IowaFirst Family participates in the lighting of the National Christmas TreePresident Barack Obama speaks at the Righteous Among the Nations Award CeremonySuper Bowl 50 City opens in San FranciscoPresident Barack Obama speaks at the University of Nebraska OmahaFBI invetigates San Bernardino mass killing as an act of terrorAntonin Scalia lies in repose in Supreme CourtHillary Clinton attends campaign event in Des Moines, IowaRally Calling for an End to the Blockade on Gaza.President Barack Obama Participates in Town Hall Event Anderson Cooper Speaker Paul Ryan delivers remarks at the National Prayer Breakfast
Follow us:

Share Hotspot Shield with your friends and family!


Copyright © 2014 AnchorFree, Inc. All Rights Reserved