Latest from John Iovine

Hand-Crank Geiger Counter

Hand-Crank Geiger Counter

08/27/2013

The atomic age meets the Victorian -- charge up this Geiger counter's high-voltage tube using a unique mechanical oscillator that...

Geiger Counter

Geiger Counter

12/18/2012

This DIY Geiger counter clicks and flashes an LED each time it detects a radioactive particle. It works with most...

ESP/psi Testing Lamp

ESP/psi Testing Lamp

12/18/2012

Albert Einstein once wrote that God does not play dice with the universe. To which Niels Bohr (or Enrico Fermi)...

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