Following his pattern, you can make your own Galilean telescope at home and use it to study the stars, just as the well-known astronomer once did. A do-it-yourself Galilean telescope makes an ...
After the Second World War, 1940s America was awash with radar equipment and experienced technicians who could make ... in your backyard and a spare satellite dish lying around, why not give it a try?
Foil-lined foam insulation board, scraps of lumber, and a paint-thinner can hardly sound like the tools of a radio astronomer. But when coupled with an SDR, a couple of amplifiers, and a fair ...