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Mathematics Facts

Unit Of Luminous Intensity (candela)

Originally, each country had its own, and rather poorly reproducible, unit of luminous intensity; it was necessary to wait until 1909 to see a beginning of unification on the international level, when ... Continue reading

How To Calculate The Circumference Of A Circle

A circle is what you get if you take a straight line and bend it around so that its ends touch. You can demonstrate this by taking a piece of stiff wire and doing just that: bring the ends of the wire ... Continue reading

Kepler's Conjecture

Take a bunch of oranges that are similar in size and try to pack them into a cardboard box. What is the most efficient orange arrangement so that you fit the most oranges into the box? Should you ... Continue reading

Is this the most efficient way of packing oranges?

Leaps and Bounds

Leap years are years with 366 days, instead of the usual 365. Leap years are necessary because the actual length of a year is 365.242 days, not 365 days, as commonly stated. Basically, leap years ... Continue reading