Bottom of traffic cones. the warehouse isn't where the really clever bit happens. to get the precious and rare earth materials from the microchips, they grind them into a solution of bacteria. here is an example of how it might work. this is cut off an old electronic circuit board, gold leaf, 7% of the world bozovic gold is stuck in e—waste. you would put this on the bacteria, the bacteria eat effectively the glue holding the gold on, the gold floats to the surface and float away. here is the after. you can see the board is completely stripped of gold. the normal recycling process either mel...