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It’s a lamp that runs off mud... or more accurately, the microbes therein, that create a PH imbalance that causes zinc/copper anode/cathode to light up an LED.
They also make mud clocks.
![]()
Which is pretty cool.
![]()
It’s a lamp that runs off mud... or more accurately, the microbes therein, that create a PH imbalance that causes zinc/copper anode/cathode to light up an LED.
They also make mud clocks.
![]()
Which is pretty cool.