1831 – Michael Faraday discovered electromagnetic induction which is used in power generation and power transmission by generators, transformers, induction motors, electric motors, synchronous motors, and solenoids.

In 1965 – Astronaut L. Gordon Cooper, orbiting 100 miles above the Earth in Gemini 5 talked with aquanaut M. Scott Carpenter in Sealab II, 205 feet below the surface of the Pacific Ocean. It happened to be Cooper’s wedding anniversary.

In 1990 – The British Computer Misuse Act went into effect. The Act resulted from a long debate in the 1980s over failed prosecutions of hackers.

In 1845 – Scientific American began publication with the issue for this day. It would become the oldest continuously published magazine in the United States.

In 1991 – The crew of the Space Shuttle Atlantis sent an electronic mail message using AppleLink. The message read: “Hello Earth! Greetings from the STS-43 Crew. This is the first Applelink from space. Having a GREAT time, wish you were here!”

In 2009 – Apple released Mac OS X 10.6 Snow Leopard featuring many minor improvements and integration with Microsoft Exchange.

In 1962 – NASA launched the Mariner 2 unmanned space mission to Venus.

In 1989 – The first direct-to-home TV satellite launched from Cape Canveral. Marco Polo I delivered the British Satellite Broadcasting service to homes in the UK.

In 2003 – Fairbanks, Alaska got the world’s biggest UPS backup. The city hooked up the world’s largest storage battery, built to provide an uninterrupted power supply of 40 megawatts.

In 1938 – A New York radio station first used the Philips-Miller system of tape recording on a radio broadcast.

In 1984 – Miss Manners confronted her first computer issue. The columnist responded to a reader’s concern about typing personal correspondence on a personal computer.

In 1996 – Netscape Communications Corp. announced it had partnered with several other big companies to create a software company called Navio Corp. Navio was meant to create an operating system to compete with Windows.

In 1609 – Galileo Galilei craftily beat a Dutch telescope maker to an appointment with the Doge of Venice. Galileo impressed the Doge and received a lifetime appointment and a doubled salary. Later that autumn, Galileo pointed his telescope to the Moon, and trouble began.

In 1981 – Voyager 2 made its closest approach to Saturn. 8 years later on the same day in 1989, Voyager 2 would make its closest approach to Neptune.

In 1991 – 21-year-old Finnish student Linus Torvalds wrote a newsgroup post about an free operating system he was working on. He said it was “just a hobby, won’t be big and professional like gnu.” His OS would eventually be called Linux.