Bose-Einstein condensates (BEC’s) are very real and are created in physics labs routinely for many different experiments. Since a BEC is a quantum mechanical phenomenon, it doesn’t really “look” like anything, just like an electron doesn’t “look” like anything. What you have is the wavefunction, which is roughly where you are most likely to find your ‘particle’, and then when you measure it you find it in a certain spot. BEC’s are essentially many particles that have the exact same wavefunction, and thus look like one single particle. The wavefunction of a BEC looks something like [this](https://sites.google.com/site/bigelowcatgroup/_/rsrc/1569342085313/bec/bec-3d-erm_j_Rainbow.jpg?height=181&width=200).
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