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- 154 If the astronauts on Apollo 11 had landed safely on the moon but could not take off, would there have been a rescue mission?
- 71 Why did Roosevelt and Churchill use voice-based telecommunication, instead of simpler text-based options which were easier to encrypt?
- 68 How (the heck) did Lunokhod 2 drive, navigate and survive a ~40 kilometer drive over four months on the Moon using 1970's technology?
- 43 How does global-warming-triggered ice melting cause global sea levels to rise?
- 40 Why weren't pickled fruits and vegetables part of (European) rations during the Age of Sail?
- 37 Why doesn't the sun reach its highest point overhead at exactly 12:00 noon?
- 33 What is the purpose of these diversions in a natural gas line?
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