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 ...

A weak Wi-Fi connection is not only annoying, but can also hurt your business or make it harder to do your job if there's no budget for networking upgrades. There are ways, however, to cheaply improve ...

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 ...

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 ...

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 ...

At the ongoing 2025 World Manufacturing Convention in Hefei in east China's Anhui Province, a Chinese space-tech lab has ...