Although there are a few hobbies that have low-cost entry points, amateur astronomy is not generally among them. A tabletop Dobsonian might cost a few hundred dollars, and that is just the entry ...

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as ...

I had this idea of building my own bicycle lighting system totally personalized, the lights would have the exact lighting pattern I wanted and the shape I decide. That's why I started to build this ...

Spectrum Slit a light sculpture visualizes RF activity with an SDR receiver and sixty?four filament LEDs, helping you see ...

Abstract: This study proposes a radar-based heartbeat measurement method that uses the absolute value of the second derivative of the complex radar signal, rather than its phase, in combination with ...

Abstract: Indoor human localization (IHL) using radar is an essential technology for various applications. However, accurately identifying human presence indoors is complicated by strong reflections ...

Best-to-date titanium–vanadium–iron drill results at Trapper Zone underscore Radar’s large-scale oxide system within the 160 km² Dykes River intrusive complex near tidewater in Labrador VANCOUVER, ...

On January 10, 1946, scientists at Camp Evans successfully bounced a radar signal off the moon. Known as Project Diana, the experiment proved that the Earth's ionosphere could be pierced. An ...