Physicists have placed part of a sapphire crystal into a quantum superposition, making it the heaviest object to show quantum effects, in a new take on Erwin Schrödinger's famous cat experiment.
Within a month of the Big Bang, a second cosmic explosion may have given the universe its invisible dark matter, new research suggests.
In quantum physics, particles exist in many states at once until you measure them. Can reality really work that way?
In some interpretations of quantum mechanics, such as the Many-Worlds interpretation or the Pilot Wave Theory, parallel universes may form every time a subatomic particle goes through any interaction.
A wild theory suggests that consciousness may explain quantum mechanics, by forcing the subatomic particles to choose one concrete outcome.
According to quantum mechanics, the physics theory that describes the zoo of subatomic particles, all matter can be described as both particles and waves. But is it real?
The time-flipped photon can't be used to restage "Back to the Future," but it could help us figure out some of the universe's most mysterious phenomena.
The world of the teensy-tiny, the quantum realm, could have a favorite flavor. Here's why that's a big deal.
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