How much water does it take to float something weighing a kilogram?

cat-basinIf you want to float a thing that weighs one kilogram in water, how much water do you need? First, of course, the thing must float in water: a piece of wood, a can of peanuts or glass of instant coffee, any closed container¬† weighing one kilogram (2.2 lb) that is larger than one liter [more…]

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