News tagged with laser beam

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3D-printer with nano-precision

Printing three dimensional objects with incredibly fine details is now possible using "two-photon lithography". With this technology, tiny structures on a nanometer scale can be fabricated. Researchers at ...

Mar 13, 2012 4.9 / 5 (67) 8 | with audio podcast

Tractor beams come to life

Tractor beams, energy rays that can move objects, are a science fiction mainstay. But now they are becoming a reality -- at least for moving very tiny objects.

Sep 08, 2010 4.5 / 5 (48) 13 | with audio podcast

Scientists build world's first anti-laser

More than 50 years after the invention of the laser, scientists at Yale University have built the world's first anti-laser, in which incoming beams of light interfere with one another in such a way as to perfectly ...

Feb 17, 2011 4.6 / 5 (44) 18 | with audio podcast