Swing low: While sitting on a playground swing, I have no reaction mass and nothing to push against (excluding the ground for the sake of this argument). I am puzzled because, given a small initial movement, I can increase the amplitude of the swing鈥檚 movement by simply changing my posture on the seat at the peak of each swing. How?
A tinny please: Why do canned beers often have a metallic taste when the solubility of the metal is negligible?
Score board: What, if any, is the mathematical basis for the positioning of the score values for the segments on a championship dartboard?
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Sticking doors: My fridge door is kept shut by a magnetic strip in a flexible plastic seal. If I attempt to open the door soon after closing it, it seems to be held shut by a vacuum for a few seconds. Why is this?
Snooze sneezes? Why don鈥檛 we sneeze when we are asleep? I suffer from hayfever and cat allergies during the day, and presumably these irritants are still present at night. However, I don鈥檛 recall being awakened by sneezing.
Smell from hell: Why is it that, whatever they contain, dustbins always smell the same?
Stick with it: Why doesn鈥檛 superglue stick to the inside of its tube?