[FRIAM] In the coldness of space...

[Marcus Daniels]

Classical or quantum computers need to be protected against radiation and designed to tolerate more of it.  Space is an even harsher environment, not having the magnetosphere to protect against ionizing radiation.  One of the main difficulties in quantum computing is achieving control but without giving up isolation.   One wants qubits that are coupled to the things in the quantum computer but not everything else in the universe.   A related tradeoff is how much time it takes to control a qubit.   If it is well isolated, like in an ion trap, it tends to take a long time.  If it is less well isolated, like a superconducting quantum interference device, it may be easier to configure.   

-----Original Message-----
From: Friam <friam-bounces at redfish.com> On Behalf Of jon zingale
Sent: Wednesday, May 5, 2021 8:29 AM
To: friam at redfish.com
Subject: [FRIAM] In the coldness of space...

In the coldest reaches of space, with what probability can I expect there to be quantum Turing machines? A number of years ago, I ran across a lecture by John Conway where he discusses the ubiquity of computers, his thought experiment posits a large warehouse, full of transistors and other electronic components, and a madman with a soldering iron. He then goes on to say that for a sufficiently large warehouse, with probability one, we should expect to find the universal machine.

I know that some on this list actually know about quantum computers, so please let me know if this idea is terribly flawed somehow. To the extent that such computers are out there, what would their architecture likely be? In the meantime, I will continue to fantasize about the scaffoldings that such computers may provide to the orderliness of what I can see.
Perhaps, this is covered by the Hooft paper on vacuum fluctuations?
I still need to read the paper.

Tags:
- Conway's madman:
https://www.youtube.com/watch?v=cQUAwhhC8cU&t=2363s&ab_channel=IstrailLaboratory

- Formation of hydrocarbon chains in interstellar space:
https://phys.org/news/2017-02-constraining-chemistry-carbon-chain-molecules-space.html



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