"How does a gas pump know when my tank is full?": "This mechanism has been around for a long time, so it is safe to say there is not a miniature camera inside the nozzle hooked to a microprocessor. It's purely mechanical -- and ingenious."
Monday, March 30, 2009
"How does a gas pump know when my tank is full?"
"How does a gas pump know when my tank is full?": "This mechanism has been around for a long time, so it is safe to say there is not a miniature camera inside the nozzle hooked to a microprocessor. It's purely mechanical -- and ingenious."
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