With the powerful off-the-shelf hardware available to us common hardware hobbyist folk, how hard can it be to make a ...

When it comes to electromagnetic waves, humans can really only directly perceive a very small part of the overall spectrum, ...

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

You could buy raspberry jam to cheat this tart a little, but it’s definitely worth making the pastry from scratch. For the jam, put a small plate in the freezer. Place about 250g/9oz raspberries ...

The value of the U.S. dollar in terms of the SDR is the reciprocal of the sum of the dollar values, based on market exchange rates, of specified quantities of the SDR basket currencies. See SDR ...