In 1474 – The Venetian Senate issued a Statute on Industrial Brevets that is widely considered the first patent law. Patents had been issued before, often at the whims of monarchs, but this statute codified the practice and set out a standard 10-year term.

In 1932 – The Sydney Harbour Bridge was opened. It is the world’s largest (but not the longest) steel arch bridge with the top of the bridge standing 134 metres above the harbour.

In 1991 – US patent No. 5,000,000 was issued to microbiologist Lonnie. O. Ingram of the University of Florida for a process of turning garbage into fuel. His method depended on the creation of a new species of bacterium genetically formed from two other bacteria.

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In 1931 – Jacob Schick began marketing his second electric razor. His first hadn’t caught on because of the bulky motor. This time the more practical design became a hit.

In 1965 – The Voskhod 2 launched and on the second orbit Cosmonaut Aleksei Leonov left the capsule (on purpose) for 12 minutes, becoming the first person to walk in space.

In 1987 – Thousands of physicists crowded a ballroom at the New York Hilton at the meeting of the American Physical Society to hear speakers talk on high-temperature superconductivity. The session started in the evening and ran until 3:15 AM earning the nickname “Woodstock of Physics.”

In 2015 – Sony launched its Internet TV service called PlayStation Vue in New York, Chicago and Philadelphia. For $50 a month subscribers got around 50 channels plus the ability to record shows in the cloud for up to 28 days.

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In 1948 – William Gibson was born in Conway, South Carolina. His stories are credited with launching cyberpunk literature, named after the phrase he used in the story “Burning Chrome”.

In 1953 – Australian researcher David Warren came up with the idea for a device to record cockpit noise and instruments during flight. His ARL Flight Memory Unit would eventually be known as the Black Box.

In 1958 – The United States launched the Vanguard 1 satellite, achieving the highest altitude of any man-made vehicle to that time.

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In 1959 – The first atomic reactor built in the US for medical research, achieved criticality at Brookhaven National Laboratory in Upton, N.Y.

In 1985 – Symbolics, a Massachusetts computer company, registered the Internet’s first dot-com domain name, symbolics.com. The domain is now owned by an investment company who uses it as a marketing device. The remains of the original Symbolics company survived in altered form at symbolics-dks.com.

In 2004 – Nicolas Jacobsen posted to a forum that he had hacked into T-Mobile’s network and stolen information from major celebrities like Paris Hilton. Jacobsen was later charged with two counts of violating the US Computer Fraud and Abuse Act.

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In 1839 – Sir John Herschel presented his ‘Note on the Art of Photography, or the application of the Chemical Rays of Light to the purposes of Pictorial Representation’ to the Royal Society, likely the first use of the word ‘photography’.

In 1879 – Albert Einstein was born in Ulm in Württemberg, Germany. He would grow up to work in the Swiss patent office. And reinvent physics.

In 1994 – Linus Torvalds posted to comp.os.linux.announce that Linux kernel release 1.0. had arrived.

In 2013 – Samsung announced the Samsung Galaxy S IV phone would come out in April. Their broadway-influenced presentation received much criticism.

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In 1781 – English astronomer William Herschel observed what he initially thought was a comet but turned out to be the planet Uranus. It was the first planet to be discovered using a telescope.

In 1882 – At the Royal Institution, Eadweard J. Muybridge demonstrated his zoopraxiscope, an optical apparatus that exhibited photographs of moving animals. It is sometimes considered the first movie projector.

In 1969 – Apollo 9 returned safely to Earth after orbital testing of the first crewed Lunar Module.

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In 1790 – John Frederic Daniell was born. He would grow up to invent the Daniell cell, a battery that supplied an even current during continuous operation, thus making battery power practical.

In 1889 – Almon B. Strowger of Kansas City filed his patent for the first automatic telephone exchange.

In 1923 – Inventor Lee De Forest demonstrated the Phonofilm for the press. It was the first motion picture with a sound-on-film track.

In 1989 – Tim Berners-Lee wrote a paper proposing an “information management” system that became the foundation of the World Wide Web. He called it the Mesh at the time.

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In 105 – Ts’ai Lun demonstrated his process for making paper to the Han emperor in China. He probably didn’t invent it, but he certainly turned it into an industry for the first time. And the industry still survives 20 centuries later even in the face of the computers that plot its doom.

In 1985 – The Southern New England Telephone Company turned on ConnNet, the nation’s first local, public packet-switching network. Customers could access CompuServ, NewsNet and other services at a blistering 4,800 to 56,000 bits per second. The service’s X.25 protocol went obsolete in the 1990s with the popularity of the Internet Protocol.

In 2011 – Apple began selling the iPad 2, a thinner version of the first iPad, that also included a camera.

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In 1876 – Alexander Graham Bell spoke the immortal words “Mr. Watson, come here. I want you.” over a telephone in his Boston laboratory, summoning his assistant from the next room. It is widely considered the first instance of someone using technology when they bloody well could have just got up and spoke to someone in person. It is also widely considered the first phone call.

In 1891 – Almon B. Strowger was issued a US patent for his electromechanical switch to automate a telephone exchange. Strowger wasn’t the first to think of of automatic switching but he was the first to make a practical switch.

In 2000 -The Nasdaq hit 5,048.62, the highest point of the dot-com boom. The bust began the next day.

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In 1948 – The University of California at Berkeley and the Atomic Energy Commission announced the artificial production of mesons using the 184-inch cyclotron at the university’s Radiation Laboratory.

In 1961 – Sputnik 9 successfully launched, carrying a human dummy and and the dog Chernushka. It completed 1 orbit and was successfully recovered upon return. Yes, the dog made it back unharmed.

In 2011 – Space Shuttle Discovery on Mission STS-133 made its final landing after 39 flights.

In 2015 – Apple and HBO announced a new Internet-only streaming version of HBO called HBO Now would launch in early April exclusively on Apple products including the iPhone, iPad and Apple TV. Apple also announced the Apple Watch would come April 24.

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