Discover how to build a simple electric train using just a copper coil, an AA battery, and disc magnets in this step-by-step ...

Discover how to build a powerful DIY directional Wi-Fi antenna from simple materials, including metal jar lids and a threaded rod, to boost your laptop’s Wi-Fi reception. This detailed step-by-step ...

Marked: "De Forest Coil / Antenna / Pat. 2-17-03 / 10-11-04 / 12-15-05 / 4-22-06 / Other Patents Pending". This antenna is a plug-in unit for use with De Forest D-17 and D-12 Radiophone receivers. A ...

Researchers at the University of Warsaw have unveiled a breakthrough method for detecting and precisely calibrating terahertz ...

Do you remember those levitating lamps that were all the rage some years ago? Floating light bulbs, globes, you name it.

Gold prices continued to consolidate this week but perhaps the more notable item is the steady build of higher-lows, and the respect of trendline support following the $4k support hit on Tuesday. It ...

Satellite operators are looking north. Way north. As the U.S., China and others compete in space, the need for fast and frequent communication links with satellites orbiting near the North Pole is ...

Indoor TV antennas are still a sensible purchase, despite the advent of Wi-Fi enabled TVs and online streaming services. For anyone who wants to cord cut their cable TV subscription or if you’re ...

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