Summary: The Japanese telecom company NTT has hit a new milestone in quantum entanglement. As a reminder, quantum entanglement is locking two particles together to have the exact same properties (spin, momentum, and polarization) for the duration of their entanglement. This means that you only have to look at one particle to know the state of the other. If the particles are far apart, this becomes an incredibly efficiant way to transfer data, which is what NTT hopes to achieve. Their experiment used two protons separated by 150 kilometers of optical fiber. Not only is this special because of the distance, this is also a new medium through which the data was passed. It would not be efficient yet, but down the line, who knows.
Extreme Tech
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