3 ms·
The first measurement is in no way causal. It's just that the whole point of the experiment was to show that entanglement occurs even when the photons don't coe
by breadbox 13y ago
The first measurement is in no way causal. It's just that the whole point of the experiment was to show that entanglement occurs even when the photons don't coexist. If you didn't make the first measurement, then there wouldn't be anything different from the original experiment.