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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 this week
  • United Kingdom
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#53 this year
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About

Programmer for a large ISV, SF fan and gamer.

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Top posts
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105
How to tell a clone apart?
Sep 22, 2016
82
How can humans coexist with an intelligent carnivorous species?
Aug 13, 2016
70
Could we reach the earth's core using today's nuclear arsenal?
Jul 4, 2016
60
How would someone hide an asteroid in the void of space so only they could find it?
Jun 23, 2016
59
Why would space traders pick up and offload their goods from an orbiting platform rather than direct to the planet?
Jul 31, 2022
59
My star will explode as a supernova. What can I do in order to ensure that my planet survives that?
Jul 16, 2016
48
Humanity after 100 million years?
Jul 25, 2016
45
How can the stars be wrong, so that an observer realises they're not in our world anymore?
Mar 24
45
How to protect shops in the medieval era against thievery?
Sep 14, 2016
41
How might an astronomer discover they have been transported 50 years in the future?
Jul 14, 2020
Top Meta posts
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3
Should the hard-science tag be retired?
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?
94
How did the USSR manage to innovate in an environment characterized by government censorship and high bureaucracy?
89
Back in the late 1980s, how was commercial software for 8-bit home computers developed?