Top network posts
- 121 Can coins be made out of concrete or cement?
- 97 For what reasons would an animal species NOT cross a *horizontal* land bridge?
- 51 How could a planet have a sky without stars at night?
- 51 A road system with no traffic rules - what sort of vehicle is best?
- 48 Handling a sword blade (directly) to stab
- 43 With 12th-15th century technology, is a "vending machine" possible?
- 41 What projectile weapon can replace a bow under the following circumstances?
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