“DPR is Wavien's Dual Parabolic Reflector system, which uses two off-axis paraboloid surfaces facing each other and a net effect of imaging a real life or digital generated object and relocates the ...

Researchers have designed a new LED-based train headlight that uses a tenth of the energy required for headlights using conventional light sources. If operated 8 hours every day, the electricity ...

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 ...

Parabolic reflectors for solar applications are nice stuff, and making your own is a great project in itself. One of the easiest ways we have seen is that of [GREENPOWERSCIENCE], who uses nothing more ...

My neighbhor is a environmentalist type person and is trying to contstruct a solar water heater type thing by building some parabolic reflectors. He's a carpenter so he's got most of the contruction ...