Top network posts

• 27 Why is black the best emitter?
• 20 Why is it said that the Tupolev Tu-144 had superior aerodynamics to the Concorde?
• 18 Is KF the most ionic compound?
• 17 Why did upward turning propellers in the F-82 Twin Mustang cause a loss of lift in the center wing section?
• 16 Why are the plastic balls used to reduce evaporation in this reservoir black instead of white?
• 16 Why are geodesic airframes no longer produced?
• 15 How much thrust was provided by a typical Meredith Effect radiator?
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