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- TU Vienna develops light transistor
( Vienna University of Technology ) Light waves can oscillate in different directions. Special materials can rotate the polarization of light -- but usually, this effect is very small. Scientists at the Vienna University of Technology have now managed to build a device that arbitrarily rotates a beam of light by tuning the electric potential applied to a thin layer of material. This produced an ...
July 8, 2013 - EurekAlert! - Fenix TK75 LED Flashlight review
Several years ago, I reviewed the Fenix TK70 LED flashlight (see related posts) and raved about how bright and well made it was. I even gave it a nickname, referring to it as the Ark of the Covenant (AotC) because of the very bright pillar/beam of light it produces, as shown in the picture above. Well fortunately the folks at CR123Batteries.com sent me [...]
July 7, 2013 - The Gadgeteer