July 4, 1015 CE
Chinese astronomers observe the supernova in Taurus that formed the Crab Nebula.
Chinese invent gun powder.
The first four-suit deck of cards is created in Europe.
Johannes Gutenberg completes the Gutenberg press, the first printing press.
Willaim Gilbert lived during the time of Shakespeare and was one of Queen Elisabeth I doctors. Gilbert was interested in many things, such as magnetism, and felt that this mysterious force could possibly heal the body.
Gilbert was not like the other so-called philosophers of his time who would formulate a theory on so in so but felt it was beneath them to build or carry out experiments. Gilbert, however, got his hands dirty and carried out careful lab tests. He determined many substances could conduct and some that would not. He concluded that it wasn’t the heat from rubbing amber that attracted things like straw but a force that he called electricus.
The Microsoft Windows Epoch time is set to start on January 1, 1601.
Unix and POSIX measure time as the number of seconds that have passed since 1 January 1970 00:00:00 UT, a point in time known as the Unix epoch. The NT time epoch on Windows NT and later refers to the Windows NT system time in (10^-7)s intervals from 0h 1 January 1601.
The word “computer” was first recorded as being used in 1613 and was initially used to describe a person who performed calculations or computations. The definition of a computer remained the same until the end of the 19th century when it began referring to a machine that performed calculations.
Unscramble this word: orkz
Hint: It’s a DOS game.
Remember it, you never know when you’ll need it.