A microdrone the size of a third of an erythrocyte has been created. It is controlled by a beam of light

German physicists have created a microscopic drone. Its size is about two micrometers.

Scientists from the University of Würzburg have created a device about two micrometers in size. The microdrone can move with the help of light beams. A unique development of physicists, devoid of classic motors. Nanoantennas are used for movement. They are light sensitive and allow the drone to move in four directions: up, down, left and right.

For the movement of the drone, it is not so much the accuracy of the beam that matters, but its intensity. This greatly simplifies its operation.
In addition, due to their microscopic size, tiny mechanisms can be used in experiments to manipulate micro-objects or deliver tools and payloads.

However, the development accuracy leaves much to be desired. Due to the Brownian motion of fluid particles, the drone is constantly changing its trajectory.

Source: iGuides.ru by www.iguides.ru.

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