For the longest time now, I’ve wanted to build a real, proper radio telescope. To me, this means a large parabolic reflector, a feed horn made of brass sheet, coat hanger wire, and at least for the ...

Fitting a simple, passive, parabolic reflector around your router’s antenna can focus the signal exactly where you want it. Your network will reach farther, and the addition can even improve your ...

Since copper is a good reflector of radio waves, it can be used to make a Wi-Fi signal booster. Boosting a Wi-Fi signal requires creating a reflector that focuses the available radio waves on the ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Jay Holben The next in line on our examination of lighting fixtures is the PAR, which is an ...