Buoyancy defies the theory of gravity. - 12789
An 800 pound hot air balloon can ignore gravity by reducing density and increasing buoyancy. - 281
Underwater air bubbles ignore gravity and float to the surface of the water. This is due to density and buoyancy of the bubble compared to the surrounding water.
Gravity cannot keep the air bubble down under the water. - 283
Key words: Buoy, Buoys, Floating, Floating-Buoy
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