Einstein objected to quantum mechanics by questioning whether unobserved objects truly lack properties, asking if the moon is not there when he is not looking and whether observation creates reality for quantum particles.

factualpending

Speaker

Jim Al-Khalili

Evidence Quote

[9:13] Einstein famously said, "If everything ultimately is is is made of uh quantum particles, then is the moon not there when I'm not looking? Do I only bring it into existence when I observe it as you're telling me happens when I observe atoms?"

Source

The mind-bending reality of quantum mechanics - with Jim Al KhaliliThe Royal Institution
Created: 8/11/2026, 5:36:17 AM

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