In 1882 – Ernst Werner von Siemens presented his “trackless trolley” called the Elektromote in a Berlin suburb. The system pulled electricity from overhead wires, but used road wheels instead of tracks.

1953 – KECA-TV an ABC affiliate in Losa Angeles, California broadcast the first U.S. experimental 3D-TV. An episode of Space Patrol required specially polarized glasses to watch.

In 2005 -Apple released Mac OS X 10.4 Tiger, introducing spotlight search and dashboard functionality.

In 2001 – Dennis Tito became the first “space tourist” in human history paying his own way to the International Space Station aboard a Russian Soyuz spacecraft.

In 2003 – Apple opened the iTunes Music Store with 200,000 songs at 99 cents a piece. Songs could play back on any iPod and up to 3 authorised Macs. Windows users were out of luck but tracks could be burned to unlimited numbers of CDs.

Also In 2003 – Apple unveiled the “third-generation” iPod. The new iPods were thinner and featured the still used bottom Dock Connector port rather than the top-mounted FireWire port. The iPod controls also became entirely touch sensitive.

In 1981 – The first mouse integrated with a personal computer made its appearance with the Xerox Star workstation.

In 1995 – The Justice Department sued to block Microsoft’s purchase of Intuit, claiming the acquisition would raise prices and squash innovation. Intuit still exists but Microsoft Money is long gone.

In 1998 – Roughly 8,000 AOL subscribers joined the first known live interspecies chat with Koko the gorilla. Koko signed her answers; Penny Patterson interpreted them; and an AOL chat facilitator entered them in the computer.

In 1884 – The New York Times reported that “sending mails by electricity” was to be investigated by the Post Office Committee of the U.S. House, by providing for contracts with an existing telegraph company. It could lead to 10 cent telegrams!

In 1970 – The Convention Establishing the World Intellectual Property Organization entered into force.

In 1986 – Design flaws made worse by human error during a safety test, led to the worst nuclear disaster yet, and a partial meltdown at the Chernobyl Nuclear Plant.