A Two-Pound Car The Verge reports on the world's lightest material, a micro-lattice structure. It weighs only 0.9 mg/cubic centimeter. It's also quite rigid. From seeing truckloads of crushed cars, I'd say that a car contains at most a cubic meter of actual material. If a car were made from this material, it would weigh 0.9 kg (just under two pounds). Parking will be so easy.
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