Top network posts

• 92 Why don't we use weights to store energy?
• 52 How do you know you have reached North or South Pole without GPS?
• 47 If I sliced the universe in half, would the slice go through a star?
• 41 When was Newton "not good enough" for spaceflight; first use and first absolute requirement for relativistic corrections?
• 33 Why does 60 Hz mean 60 refreshes and not 120?
• 31 When TCP was first invented, was the initial sequence number required to be random?
• 30 How to teach children Santa is not real, while respecting other kids beliefs?
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