The opposite sides of a dice cube always add up to seven.
More Miscellaneous Facts
Twenty-Four-Karat Gold is not pure gold; there is a small amount of copper in it. Absolutely pure gold is so soft that it can be molded with the hands.
The cruise liner, QE2, moves only six inches for each gallon of diesel that it burns.
Joseph Niepce developed the world's first photographic image in 1827. Thomas Edison and W K L Dickson introduced the film camera in 1894. But the first projection of an image on a screen was made by a German priest. In 1646, Athanasius Kircher used a candle or oil lamp to project hand-painted images onto a white screen.