SMRTR Science & EngineeringJun 7, 2025Interesting Engineering

How fast is quantum tunneling? A new clock reveals electrons don’t wait

SMRTR summary

Scientists developed a new method to measure quantum tunneling, a process where particles pass through seemingly impenetrable barriers. Using a phase-resolved attoclock, researchers found electrons don't experience delay during tunneling. This breakthrough could improve understanding of ultrafast atomic processes and enable real-time chemical analysis, potentially impacting drug development and quantum computing.

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