Aluminum foil has a dull and shiny side that's a result of how it's made. Some say the difference affects heat absorption and ...

Protect and clean the lens regularly, because damage can ruin the projector.

Before stepping out into a world full of both uncertainties and opportunities, consider first engaging in self-reflection.

Abstract: In this paper, a low profile flexible active frequency selective surface (AFSS) is presented to switch the reflection property. A very thin flexible dielectric substrate is employed to low ...