Quantum Observer Effect: Can 'Looking' at Something CHANGE Reality?

YouTube Excerpt: When a quantum system is observed or measured, its behavior changes. This phenomenon is known as the "observer effect." Specifically, it refers to how particles can exhibit both wave-like and particle-like behavior, depending on whether they are being observed. To demonstrate this phenomenon, the Weizmann Institute built a tiny device, less than one micron in size, that had a barrier with two openings. They then sent a current of electrons towards the barrier. The observer in this experiment was not human. Instead, they used a tiny electron detector that could spot the presence of passing electrons.  The quantum “observer’s” capacity to detect electrons could be altered by changing its electrical conductivity, or the strength of the current passing through it. Apart from “observing,” or detecting the electrons, the detector had no effect on the current. Even so, the scientists found that the very presence of the detector “observer” near one of the openings caused changes in the interference pattern of the electron waves passing through the openings of the barrier. In fact, this effect was dependent on the “amount” of observation: when the “observer’s” capacity to detect electrons increased, in other words, when the level of the observation went up, the interference weakened; in contrast, when its capacity to detect electrons was reduced, and the observation slackened, the interference increased. #observereffect #quantumphysics #doubleslitexperiment Stock Video Source: elements.envato.com , pexels.com , pixabay.com, freepik.com Stock Image Source: elements.envato.com , pexels.com , pixabay.com, freepik.com, Wikimedia Commons Stock Music Source: elements.envato.com Original Article Link: https://www.scienceabc.com/pure-sciences/observer-effect-quantum-mechanics.html If you wish to buy/license this video, please write to us at admin@scienceabc.com. Voice Over Artist: John Staughton ( https://www.fiverr.com/jswildwood ) SUBSCRIBE to get more such science videos! https://www.youtube.com/channel/UCnI0aFeBzWBiiXiHp56kaqQ?sub_confirmation=1 Follow us on Twitter! https://twitter.com/abc_science Follow us on Facebook! https://facebook.com/sciabc Follow our Website! https://www.scienceabc.com

When a quantum system is observed or measured, its behavior changes. This phenomenon is known as the "observer effect." Specifically, it refers to...

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