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What is it like to be Wigner’s friend?

Seeing | Quantum Physics

Laser,Beams,In,The,Laboratory,Of,Optical,Physics

The Nobel Prize in physics in 2022 went to scientists who, for over 40 years, have carried out a series of experiments indicating that, contrary to materialist expectations, physical entities do not have standalone existence but are, in fact, products of observation. This result is extraordinarily relevant to our understanding of the nature of reality, and so Essentia Foundation, in collaboration with the Institute for Quantum Optics and Quantum Information, Vienna, of the Austrian Academy of Sciences (home to Prof. Anton Zeilinger, one of 2022’s Nobel Laureates in physics), organized a conference discussing the implications of this result. The conference was hosted by IQOQI-Vienna’s Dr. Markus Müller and featured seven other speakers.

In this fascinating presentation, Prof. Caslav Brukner, PhD, also from the IQOQI-Vienna, discusses what it may be like to be Wigner’s friend, the famous character of an important thought experiment in foundations of quantum entanglement.

Remember that, because of how YouTube works, to watch the video embedded below you must choose our ‘platinum’ privacy option (click on the fingerprint on the lower left to choose). Otherwise, you can always watch the video directly on YouTube.

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Essentia Foundation communicates, in an accessible but rigorous manner, the latest results in science and philosophy that point to the mental nature of reality. We are committed to strict, academic-level curation of the material we publish.

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