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 ...

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 ...

Concentrating Solar Power (CSP) systems employ lenses or mirrors coupled with tracking systems to concentrate a large area of sunlight into a small beam, rather in analogy with the simple and familiar ...

Scientists in Morocco have designed a new bifacial module with a cooling system, based on bifacial parabolic solar cells that are connected to each other via tubes for panel cooling. They are now ...

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 ...