After 40 Years, Physicists Finally Observe The 'Energy Ladder' at Quantum Tipping Points

A chain of strontium atoms (orange) held in place, with the evenly spaced lines above representing the energy ladder. (Stephen Naus/AI) "To see those predictions borne out is a beautiful thing." ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.

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