Channel Five 's Gadget Show cooked a flash drive with propane ; froze it with dry ice ; submerged it in various acidic liquids ; ran over it with a jeep and fired it against a wall with a mortar . Channel Five 's Gadget Show cooked one of these flash drives with propane , froze it with dry ice , submerged it in various acidic liquids , ran over it with a jeep and fired it against a wall with a mortar .