Keep an eye on this post as we'll be updating it daily with new Black Friday finds. Whether you're a die-hard AV enthusiast ...

Lithium-ion batteries are the workhorses of home electronics and are powering an electric revolution in transportation. But they are not suitable for every application.

Note: Calculation of the sun WBGT has been suppressed for this hour because the approximation used is not valid at these times. The shade WBGT is calculated for an environment shaded from direct (and ...