Top network posts

• 161 Why does the same proportion of a radioactive substance decay per time period? (half life)
• 84 What happens when you put water under intense pressure?
• 59 Does friction always oppose motion?
• 56 If the first law of thermodynamics ensures conservation of energy, why does it allow systems to lose energy?
• 54 Should a soda bottle be stored horizontally or vertically?
• 53 If work is a scalar measurement, why do we sometimes represent it as the product of force (a vector) and distance (scalar)?
• 44 How did this capacitor survive having a nail driven through it?
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