Parabolic reflectors are found everywhere. They're on dish antennas for television reception, in radar systems, in long distance microphones, and heaven only knows where else. They have the property ...

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 ...

These days, affordable software defined radios (SDRs) have made huge swaths of the spectrum available to hobbyists. Whether you’re looking to sniff the data from that 433 MHz thermometer you’ve got in ...

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 ...

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 ...

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 ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Applications Technology Satellite 6 ...

A light with a fricken laser on its head? You betcha. This is the Sumolight Sumolaser. But don't worry, it doesn't orbit in space and you won't have to pay one-million Dollars*. Until recently, in ...