News tagged with optical performance

A new era for atomic clocks

A revolution is under way in timekeeping. Precision timekeeping based on atomic clocks already underpins much of our modern technology—telecommunications, computer networks and satellite-based positioning ...

Feb 05, 2014
5 / 5 (10) 1 | with audio podcast

Pushing microscopy beyond standard limits

Engineers at the California Institute of Technology (Caltech) have devised a method to convert a relatively inexpensive conventional microscope into a billion-pixel imaging system that significantly outperforms ...

Jul 29, 2013
4.6 / 5 (16) 0 | with audio podcast

How is a Kindle like a cuttlefish

(Phys.org)—Over millions of years, biological organisms – from the chameleon and cuttlefish to the octopus and squid – have developed color-changing abilities for adaptive concealment (e.g., camouflage) ...

Sep 26, 2012
5 / 5 (1) 1 | with audio podcast

Mini-projectors -- maximum performance

(PhysOrg.com) -- The number of mini-projector devotees keeps growing. The combination of a new kind of optical structure with high-performance LEDs enables completely new compact and brilliant lighting and ...

May 20, 2010
3.9 / 5 (7) 0