> Interesting...can you elaborate? (crystal radio was a childhood > obsession of mine...) > > Sameer
see http://wiki.sugarlabs.org/go/Activities/TurtleArt/Using_Turtle_Art_Sensors#The_XO_as_an_audio_amplifier I was able to build a crystal radio from XO, wire, cardboard, plastic sheet and foil except for the diode. Wikipedia says that rusty razorblades will produce rectifying junctions but I couldnt make one. Tony _______________________________________________ Sugar-devel mailing list Sugar-devel@lists.sugarlabs.org http://lists.sugarlabs.org/listinfo/sugar-devel