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The quantum experiment that could prove reality doesn’t exist

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THERE is an previous philosophy query a few tree in a forest. If it falls with no one there to listen to it, does it make a sound? Ask a quantum physicist and so they may say the sound was there – however you couldn’t make sure the tree was.

Quantum mechanics has lengthy pushed the boundaries of our understanding of actuality at its tiniest. Numerous experiments have proven that particles unfold out like waves, for example, or appear be in a couple of place without delay. Within the quantum world, we are able to solely know the probability that one thing will seem in a single place or one other – till we glance, at which level it assumes a particular place. This troubled Albert Einstein. “I wish to assume that the moon is there even when I’m not it,” he stated.

Now, a brand new class of experiments is placing Einstein’s conviction to the take a look at, seeing if quantum weirdness stretches past the tiny world of quarks, atoms and qubits into the on a regular basis world of tables, chairs and, nicely, moons. “In case you can go from one atom to 2 atoms to a few to 4 to 5 to a thousand, is there any purpose why it stops?” says Jonathan Halliwell at Imperial Faculty London.

These experiments aren’t simply investigating whether or not there’s a laborious boundary between the quantum and classical worlds, but in addition probing the true nature of actuality. If the work goes as some theorists anticipate, it’d simply kick the legs out from underneath one among our most firmly held beliefs: that issues exist no matter whether or not we’re them. …

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