yefi
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May 13, 2016, 03:35:40 AM

"... until computers are built from something other than matter and occupy something other than space".

Qbits exploit weird quantum effects like one atom being able to be in two places at the same time. The qbits in a quantum computer occupy something strange that might be considered "other than space". Existing in two places at the same time is a departure from the standard three dimensions of space we all know.

Photons, which can be used for qubits, are massless particles and have no volume. Hence, I assume, where the "built from something other than matter and occupy something other than space" comes from. However, you can implement quantum computers with particles which do have mass and volume, so his point is invalid.