The newly developed tiny robot is powered by a special synthetic material called liquid crystalline elastomer.
The liquid crystalline elastomeric toroidal submarines can start swimming in honey when laser beams are directed at them.A hidden microscopic universe lurks around us, where bacteria, cilia, and flagella have evolved to overcome the constraints of viscous areas.
Researchers from Tampere University in Finland and Anhui Jianzhu University in China have made this soft robot.Swimming at the microscopic level is incredibly difficult due to the overwhelming resistance of viscous forces. It’s like humans trying to swim through thick honey, where every movement is met with significant resistance.
This elastomer responds to external stimuli, such as lasers. Upon heating, it autonomously rotates due to a special zero-elastic-energy mode . The rotation is caused by the interaction of static and dynamic forces.
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