Guinness World Records - Officially Amazing

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For the record

  • Who: Leibniz Institute Solid State Physics Dresden

  • What: Smallest jet engine

  • Where: Germany

The smallest jet engine measures just 600nm across and weighs 1 femtogram (10^-15 kg). It was produced by Leibniz Institute Solid State Physics Dresden and demonstrated in Dresden, Germany, in September 2010.

The 'engine' is actually a conical nanotube with an inner layer of platinum. When placed in a solution of hydrogen peroxide the platinum catalyses the solution producing thrust that pushes the tiny engine along. While it's not a method of propulsion that works in the real world, nonetheless it technically qualifies as a jet engine because of the way it produces thrust.

 

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