Floating and Buoyancy Floating is the ability of an object to stay on the surface of a fluid, such as water. Buoyancy is the upward force exerted by a fluid that opposes the weight of a partially or fully immersed object. The principle of buoyancy was first discovered by Archimedes, a Greek mathematician, physicist, engineer,… Continue reading How To Dive In Pool
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What is a Leap Year?
In the Gregorian calendar, a leap year is a year that has 366 days instead of the usual 365 days. This is done to keep the calendar in sync with the Earth’s orbit around the Sun. The Earth takes about 365.242 days to complete one orbit around the Sun. This means that if we didn’t… Continue reading What is a Leap Year?
