/How teleportation is powering the internet of the future (via Qpute.com)
How teleportation is powering the internet of the future

How teleportation is powering the internet of the future (via Qpute.com)


Tech Report

This article first appeared in PC Gamer magazine issue 355 in april 2021, as part of our ‘Tech Report’ series. Every month we explore and explain the latest technological advances in computingfrom the wonderful to the truly weird—with help from the scientists, researchers, and engineers making it all happen.

We like phat pipes, and we cannot lie. And over the past 20 years we’ve seen internet connections change from dial-up to ADSL over copper wire, to today’s fibre-optics. So what’s next for how we transfer data?

Imagine a network that, instead of using pulses of light to send signals, uses the properties of photons themselves. This is a quantum network, and it relies on something Einstein wasn’t very fond of: quantum entanglement. Decried as ‘spooky action at a distance’ by the moustachioed relativity-theoriser, entanglement means creating a pair of photons in such a way that, when you measure the quantum state of one, you immediately know the same property of the other no matter how far apart they are. Transferring information in this way is known as quantum teleportation, but rather than men in red shirts doomed to die, what’s teleported here is the quantum information. If you’re really clever, this is enough to build an internet.


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