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Worldbuilding
John Dallman's user avatar
John Dallman's user avatar
John Dallman's user avatar
John Dallman
  • Member for 8 years, 1 month
  • Last seen more than a month ago
  • United Kingdom
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About

Programmer for a large ISV, SF fan and gamer.

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100
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Top posts
3
Should the hard-science tag be retired?
Jun 14, 2023
1
Should we delete answers that don't meet the requirements of the hard-science tag?
Aug 17, 2017
Top network posts
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177
Why didn't the US and USSR jam each other's early-warning radar?
112
Why did the Germans use the Enigma machine rather than the far superior "Lorenz" cipher machine?
108
How was it back then in 1984, when the Apple II had color, and the new Macintosh didn't?
105
How to tell a clone apart?
94
How did the USSR manage to innovate in an environment characterized by government censorship and high bureaucracy?