A repost from New Scientist
Does objective reality exist? Is there an underlying truth that doesn't depend on the observer?
According to quantum physics, there may be no consistent reality. Not
only do we change the outcome of experiments by what we choose to
measure, but we can alter those results after they've already happened.
In this animation, find out how our choices of what to observe can
change what actually happens, and what that means for our understanding
of reality. A classic experiment illustrates the conundrum by attempting
to measure whether a photon behaves as a particle or a wave. It turns
out that it can be either, or a mixture of both, depending on how the
experiment is set up.
You can find out more about this quantum weirdness in our full-length feature, "Quantum shadows: The mystery of matter deepens".
For more mind-bending animations, find out what lies at the heart of quantum physics or see what reality might actually be.
I find the concept of Quantum Physics utterly compelling yet utterly frustratingly mind bending. I am waiting for the EUREKA moment when it all becomes clear...
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