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Top network posts
- 212 A new (2018) update to our Terms of Service is here
- 53 Why didn't the US and USSR jam each other's early-warning radar?
- 42 Can I safely eat whatever goes through the x-ray machine?
- 35 Do any airports have runways or taxiways that cross active rail lines at grade?
- 33 Has any spacecraft ever been flown manually to orbit?
- 30 Why aren't 737s or A320s commonly used for transatlantic flights?
- 27 Why was the Concorde painted white and not black?
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