Solar Mini-Machine

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The first solar-powered miniature machine has been created by researchers at Rome’s La Sapienza University in cooperation with the Italian Institute of Technology (ITT) in Genoa.

The device for use in the biomedical field can transport minuscule masses, including single cells, inside miniature light-powered devices integrating one or several laboratory functions on a chip measuring just a few millimeters.

The device is built with a minuscule “wheel” the size of a red blood cell, which is covered in a layer of light-absorbing material suspended over a liquid surface. It converts solar into mechanical energy and can reportedly perform up to 300 rotations per minute, even with low-intensity light.



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