Light-Powered Gears: Microscopic Machines Revolutionize Engineering
Update: 2025-09-28
Description
Microscopic machines powered by light? Researchers have built functional gear trains at the micrometer scale that spin using only photons, opening doors for revolutionary applications in medicine, data centers, and biology. While challenges remain in energy efficiency and heat management, this breakthrough bridges optical and mechanical engineering, bringing light-powered microdevices closer to reality.
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