3 ms·
I had one of those as a kid. The idea you could listen to the radio without any local power source (mains or batteries) was pretty amazing.
by ZenoArrow 9y ago
I had one of those as a kid. The idea you could listen to the radio without any local power source (mains or batteries) was pretty amazing.
- madengr 9y agoI built one, and it said “connect it to a pipe”. I had a piece of pipe in my room, and it frustratingly did nothing. They never said “an earth connected pipe. Now I’m an RF engineer; go figure.
- WalterBright 9y agoI discovered that if you connected a long wire to the phono inputs on an amplifier, you'd pick up the local AM stations.