Austrian scientists teleported the quantum state of one calcium atom to another calcium atom eight microns (.000008 meters) away. But in theory it may have an infinite distance. The quantum state includes the energy configuration of the atom and its electrons. It is the first time that quantum teleportation with atoms instead of light particles took place. This time it was controlled teleportation.
The researchers captured individual calcium atoms, cooled down extremely – to a few millionths of a degree above absolute zero. Using lasers attached them quantum states of two atoms. The result is a quantum mechanical link, entanglement between the particles.
Then the scientists affiliated third atom in the same way with one of the other two particles. That was the third atom ‘input for the teleportation: When the quantum state of the atoms is changing with the input, the same changes also occurred in the remaining (output) atom.