In the previous article, I mentioned that scientists have done many experiments, and experiment after experiment has brought incredible results.
After many experiments mentioned in my previous article, John Wheeler proposed “Wheeler’s delayed-choice experiment”, which refers to a series of thought experiments in quantum physics, the first being proposed by him in 1978. Wheeler anticipated that what is done at the exit port of the experimental device before the photon is detected will determine whether it displays interference phenomena or not.
If Wheeler’s hypothesis is correct, two possibilities could open up. One is that the photon can predict when scientists will observe it; the other is that the photon can reverse what has happened -- retrocausality.
Then, scientists proposed various experiments such as "quantum eraser experiment" and "delayed-choice quantum eraser experiment".
The actual experiments are ongoing matters, and because it involves huge interests or state secrets, the latest experimental results may not be made public at this moment. In addition, the debate among scientists continues. As for the information we can find on the Internet now, it is not necessarily reliable.
In the following articles, I will start from the application point of view, such as Quantum Computer. Subsequent articles will talk about Quantum entanglement, superposition, tunneling, etc.
Quantum mechanics is a fundamental theory in physics that provides a description of the physical properties of nature at the scale of atoms and subatomic particles. It is the foundation of all quantum physics including quantum chemistry, quantum field theory, quantum technology, and quantum information science.
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My blogs: AI club, Quantum club
