RT @RobertGaristo: A banana produces antimatter about once every 75 minutes
(potassium-40 decay to a positron) @symmetrymag http://t.co/n0…
RT @RobertGaristo: A banana produces antimatter about once every 75 minutes
(potassium-40 decay to a positron) @symmetrymag http://t.co/n0…