A sudden burst of red light flickered above a thunderstorm, and for a brief moment, Earth’s upper atmosphere revealed one of its most elusive secrets.

It may take some time and practice to get the hang of it, but this is one bedding hack that you don’t want to sleep on. It’s so much more satisfying to fold a fitted sheet than to roll it up ...

Abstract: A surface impedance method with synchronization in time for simulating thin conductive sheets is proposed, implemented, and validated. The simulation results showed that the proposed method ...