Measurement problem
Image: The ‘Schrdinger cat paradox’, one of the most famous thought experiments of the 20th century, involves a radioactive source and a detector linked to a vial of poison. If a decay is observed, the vial will break and the cat will die. But is it enough for the cat to do the observing?
Links
Eugene Wigner, ‘The problem of measurement’ >
Wikipedia: the measurement problem >
Multimedia
In Our Time: the measurement problem in physics >
The 1st Ockham Debate, Merton College Oxford: the problem of quantum measurement >