Logitech Signature Slim Solar+ K980 review - the 10-year battery life keyboard

With a built-in solar panel and battery, Logitech's new wireless keyboard can last four months in the dark or 10 years in the ...

5 More Physics Equations Everyone Should Know

In January I wrote a piece titled “ 5 Physics Equations Everyone Should Know .” Lots of you weighed in with your own ...
Inverse

Here’s Exactly How Long It Takes To Beat Silent Hill f

Silent Hill f' is a stunning and grisly new entry in the prolific horror series, and you'll need to play it more than once to ...
Scientific Research Publishing

Electromagnetism and Gravitation: A Conformal Jigsaw Puzzle ()

We also prove that the two sets of Maxwell equations only depend on the non-linear elations of the conformal group of ...
IEEE

Ultrawideband and High-Efficiency Linear Polarization Converter Based on Double V-Shaped Metasurface

Abstract: In this paper, a double V-shaped metasurface that can efficiently convert linear polarizations of electromagnetic (EM) waves in wideband is proposed. Based on the electric and magnetic ...