One can! On radio the simple crystal set works to pick up AM, so long as it broadcasts. I'm sure many kids like me ruined a ear on one :).
They consist of a diode, a variable capacitor (for tuning) a very long wire for the arial,and an earpiece. Earthing is advised too (using it during an electrical storm could be fatal :). They don't need batteries. The AM signal itself generates the power needed. TT, x -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/d1155ed7-4121-4103-a248-8e2056bcbcda%40googlegroups.com.
