Top network posts

• 89 Do lightsaber blades/blaster bolts cast shadows?
• 39 Speed to maneuver with flaps and ailerons in interstellar dust
• 36 Can a substance be more lethal in smaller doses?
• 31 I'm afraid of chemicals. How do I handle my required uni biology class?
• 30 Why is delta-v the most useful quantity for planning space travel?
• 30 Does momentum conservation imply energy conservation?
• 29 How realistic is the 1 kg/km² solar sail in "Death's End"?
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