SMRTR Science & EngineeringMar 19, 2026Interesting Engineering

‘World’s smallest’ atomic clock could improve drone swarm timing, China team claims

SMRTR summary

Chinese researchers created the world's smallest atomic clock at 2.3 cubic centimeters, losing one second every 30,000 years. The fingernail-sized device enables nanosecond timing for military drones, missiles, and secure communications.

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