Archimedes’ principle states that any object, totally or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object. But. it was not the...
You’re at a birthday party and the place is full of helium-filled balloons stuck to the ceiling. How are these balloons defying gravity? No magic involved! The law of buoyancy as first stated in...
If you think back to the 60’s and 70’s your memories are probably illuminated by a lamp filled with swirling globs of colourful goop that really didn’t shed much light at all....