Top network posts

• 94 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?
• 47 What vehicle would be the best one to start a >1000 km travel in a post apocalyptic zombie situation?
• 45 Why do we need to reheat food?
• 45 Why do small mirror imperfections matter with modern computers
• 43 Why does "ls" take extremely long in a small directory that used to be big? How to fix this?
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