Scientists presented 4D-printer capable of printing materials that can be folded independently in simple shapes like cubes in time.Full soon we’ll be able to produce cars that can get to hard to reach areas - deep wells, for example - for maintenance. Medical operations will be carried out independently with the help of the machines made from such materials. Basically, they’ll be printed on the printer, rather than in factories. Water pipes themselves will decide what to do during the overflow.
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