The world's smallest steam German scientists from the Max Planck Institute have succeeded in creating a machine of the world's smallest steam with a laser and a small ball of colloid. The researchers modeled the limited model steam engine by Robert Stirling in nearly 200 years.
But the difference, the house researchers from the engine-system size, which is much more than the mini-Stirling engine. If Stirling used to move with traditional methods to the gas piston, and the researchers of the modulated laser. With a variety of different intensity, the laser is in the colloidal sphere that floats on the surface of the water to move the ball, as the motion of the gas to the Stirling engine.
Around the piston in the engine in the opposite direction, the researchers used a different laser placed outside. Second laser is useful for increasing the water temperature where the ball was colloidal. By using a second laser rapid change, while the machine is a movement which in turn heat
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