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Science Fiction & Fantasy
Mark Olson's user avatar
Mark Olson's user avatar
Mark Olson's user avatar
Mark Olson
  • Member for 6 years, 7 months
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I'm a retired chemical physicist-turned software developer and manager and a science fiction and history enthusiast living outside Boston.

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Top posts
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294
What did Frodo and Sam eat when they crossed Mordor on foot?
Mar 23, 2020
121
How far did Gandalf and the Balrog drop from the bridge in Moria?
Aug 12, 2019
120
What's the big deal about the Nazgûl losing their horses?
Jul 2, 2019
102
Was Tolkien good at his day job?
Apr 11, 2018
87
Why was Frodo unable to destroy the Ring?
Dec 10, 2018
81
What unit system does Middle-earth use?
Jul 18, 2020
76
Why did Aragorn let Frodo keep the One Ring after Weathertop?
Oct 7, 2021
76
When Tom Bombadil made the One Ring disappear, did he put it into a place that only he had access to?
Apr 15, 2023
75
What prevents dragons from destroying or ruling Middle-earth?
Nov 2, 2020
71
If Sauron wins eventually without the Ring, why weren't Elrond/Gandalf in panic mode before Frodo showed up?
Feb 3, 2023
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Is Laughing Gas by P.G. Wodehouse science fiction?
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110
My time machine needs to know when it is
89
When did the Roman Empire fall according to contemporaries?
89
Did Aztecs know how many continents there are on earth?
81
What are the effects of slicing the Earth in half with a particle beam?
76
How did the general population of England convert so smoothly to Protestantism?