News tagged with energy state

Three more reasons for clean energy

We've heard again and again that concerns about the environment, public health and national security are reasons to develop policies that encourage clean energy investment - and we've also heard vigorous debate on these ...

Apr 08, 2011 not rated yet 2

Tunable quantum cascade laser

(PhysOrg.com) -- One of the issues associated with lasers is their tunability. In many cases, if you want to produce a particular wavelength, you have to build a laser to accomplish this. In order to get another wavelength, ...

Jul 07, 2010 4.6 / 5 (20) 1 | with audio podcast feature