In 1816 – Gaslight illuminated Philadelphia’s Chestnut Street Theatre, improving on an innovation pioneered in London. Instead of coal the gas was created from pitch, reducing the malodorous vapors caused by the wonder’s creation.

In 1957 – PG&E and General Electric inaugurate the Vallecitos Nuclear Power Plant in Pleasanton California. It was the first privately funded atomic power plant.

In 1976 – The Project Viking landers passed through superior conjunction at Mars, enabling scientists to begin an experiment that used the landers as transponders. The data collected confirmed the Shapiro Delay, becoming one of the best confirmations of General Relativity we have seen.

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In 1932 – The FBI Scientific Crime Detection Laboratory (known then only as the Technical Crime Laboratory) officially opened in Washington DC. It’s location was chosen because it had a sink, and its one employee, Agent Charles Appel had to borrow a microscope.

In 1969 – The Apollo 12 command module with its all-Navy crew splashed down safely in the Pacific Ocean, ending the second manned mission to the Moon. Credit goes to the USS Hornet for its second flawless recovery effort.

In 1998 – AOL announced it would purchase Netscape Communications, merging what were then two of the biggest names on the Internet.

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In 1889 – A “nickel-in-the-slot player” was installed at the Palais Royale Saloon in San Francisco, the first jukebox. Up to four people could put in a coin, put on earphones and listen to a record playing on an Edison Class M phonograph.

In 1963 – At 5:16 PM the BBC premiered its new family science fiction show, Doctor Who, with its first episode, “An Unearthly Child.”

In 2004 – Blizzard launched World of Warcraft, destined to become the largest MMORPG ever made.

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In 1963 – One of the most famous 8mm home movies ever recorded was filmed on a Model 414 PD Bell and Howell in Dealey Plaza in downtown Dallas, Texas. The Zapruder film showed President John F. Kennedy and Governor John Connally being shot.

In 1995 – The first feature-length film created entirely using computer-generated imagery was released to theaters. Toy Story grossed more than $350 million worldwide, making executive producer Steve Jobs, very happy.

In 2005 – Microsoft’s Xbox 360 went on sale in North America. The follow-up to the Xbox would become a smash hit.

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In 1877 – Thomas Edison announced his invention of the phonograph, a machine that could record and play sound.

In 1905 – The Annalen Der Physik published Albert Einstein’s paper, entitled “Does the Inertia of a Body Depend Upon Its Energy Content?” The paper revealed the relationship between energy and mass. You know the relationship as E = mc².

In 1969 The first permanent ARPANET link was established between the Interface Message Processor or IMP at UCLA and the IMP at the Stanford Research Institute.

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