Top network posts

• 156 Why are the wet patches on these floor tiles circular?
• 147 Why doesn't water boil in the oven?
• 138 Why is nuclear waste more dangerous than the original nuclear fuel?
• 127 If you are vacuuming your carpet and you wrap the cord around your body do you become a magnet?
• 125 Can a Foucault pendulum really prove Earth is rotating?
• 109 How do we know neutrons have no charge?
• 75 Why do beams of light (from torches or other directed sources) not extend to infinity?
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