Top Network Posts

• 150 Why do spaceships heat up when entering earth but not when exiting?
• 57 Emissitivity of copper - Why are copper heatsinks all shiny?
• 41 Why do we use capacitors and not batteries in defibrillator?
• 37 Why does an egg boiler require more water to cook fewer eggs?
• 37 Simple check for the global shape of the Earth
• 23 Why does fire make very little sound?
• 21 Why does a stall decrease lift, rather than increasing it?
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