An unexpected decision showed that everyone who chose a chicken and who put on an egg was wrong.

The riddle of the millennium about who first appeared, the chicken or the egg, was first proposed by ancient Greek philosophers to determine the cause and effect. For a long time this question remained unresolved. However, physicists from the University of Queensland and the Louis Neel Institute found the answer to this philosophical question. The study is published in the journal Physical Review Letters.

According to scientists, the chicken and the egg appeared simultaneously - this is confirmed by the laws of quantum mechanics. Thus, all those who chose a chicken turned out to be wrong, and who put on an egg.

Dr. Jacqui Romer of the Center of Excellence for engineering quantum systems explains the clue that in quantum physics cause and effect do not always correspond to the usual laws of logic, and in this microscopic world, one event does not necessarily cause another.

For example, the famous experiment on the Schrodinger cat, which demonstrates the incompleteness of quantum mechanics in the transition from subatomic systems to macroscopic.

The essence of the experiment is simple. Imagine that a cat was placed in a box. In the box there is a mechanism containing a radioactive atomic nucleus and a container with a toxic gas. The parameters of the experiment were chosen so that the probability of nuclear decay in 1 hour is 50%. If the core disintegrates, a gas tank opens and the cat dies. If the decay of the nucleus does not occur - the cat remains alive and well.

Quantum mechanics explains that the atomic nucleus and the cat are in all possible states simultaneously, t. the cat is alive and dead at the same time. This is called quantum superposition.

Therefore, the answer to the riddle about the chicken and the egg is as follows: they appeared simultaneously.

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