therealCrusader :verified: on Nostr: npub1w5p2x…z7gzp you can build an analog radiation detector out of junk. Look up ...
npub1w5p2xgn2hkddv5ced2527rrclk7gkjup7qntgqxcdcu40jvnwsssrz7gzp (npub1w5p…7gzp) you can build an analog radiation detector out of junk. Look up Cresson Kearny radiation detector.