News tagged with laser pointer

Lasers ID deadly skin cancer better than doctors

High-resolution images from a laser-based tool developed at Duke University could help doctors better diagnose melanoma, the deadliest form of skin cancer, while potentially saving thousands of lives and millions of dollars ...

Feb 23, 2011
3.7 / 5 (3) 0 | with audio podcast

Powerful laser pointers create risks

The latest generation of high-powered laser pointers may seem like a fun Christmas gift, but experts caution consumers to weigh the potential harm.

Nov 22, 2010
4 / 5 (2) 0

Doctors see eye hazard in powerful laser pointers

(AP) -- A 15-year-old boy damaged his eyes while playing with a laser pointer he'd bought over the Internet, say doctors who warn that dangerously high-powered versions are easily available online.

Sep 09, 2010
5 / 5 (1) 0

Tying light in knots

(PhysOrg.com) -- The remarkable feat of tying light in knots has been achieved by a team of physicists working at the universities of Bristol, Glasgow and Southampton, UK, reports a paper in Nature Physics this w ...

Jan 17, 2010
4.8 / 5 (39) 4 | with audio podcast