Better memory with faster lasers

DVDs and Blu-ray disks contain so-called phase-change materials that morph from one atomic state to another after being struck with pulses of laser light, with data "recorded" in those two atomic states. ...

date15 hours ago in Nanophysics
shares36 comments 1

Insect decoys could protect ash trees

Emerald ash borers have no trouble reproducing themselves as they have now spread through half the United States, but duplicating effective emerald ash borer decoys is not quite as easy. Now, engineers have ...

date16 hours ago in Engineering
shares24 comments 0