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Originally Posted by glenluceskies
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Once digital radio is underway and they pull the plug on analogue radio, there will be not more home made crystal sets 
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Agree with you there, tho Crystal sets with a decent antenna will still be able to pick up SW radio from around the world.
Best I've done is Radio Göteborg (Sweden) with a simple diode crystal set, no amps, no batteries
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R.I.P. Superheterodyne receiver, you served us well
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Nah, the new digital technology still relies heavily on superhet design, just the modulation technique has changed.... a lot.
Even the mobile in your pocket is a superhet