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Quantum theory's last challenge

Quantum theory is 100 years old and still going strong. Combininggeneral relativity with quantum mechanics is the last hurdle to be overcomein the 'quantum revolution'.

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Figure 1: The description of space–time put forward by Einstein's theoryof general relativity might eventually reveal quantum behaviour if we observeits effects at extremely small scales.

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Correspondence to Giovanni Amelino-Camelia.

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Amelino-Camelia, G. Quantum theory's last challenge. Nature 408, 661–664 (2000). https://doi.org/10.1038/35047210

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