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On This Day In History for April 9, 2025
This is the 99th day of the year in the Gregorian calendar. There are 266 days remaining in 2025.
- It was on this date in 1682, that Robert Cavelier de La Salle discovered the mouth of the Mississippi River, claims it for France and names it Louisiana.
- April 9, 1860, Édouard-Léon Scott de Martinville made the first known recording of an audible human voice on his phonautograph machine.
- That same date in 1937, The Kamikaze arrived at Croydon Airport in London. It is the first Japanese-built aircraft to fly to Europe.
- April 9, 1945, The United States Atomic Energy Commission was formed.
- That same date in 1959, NASA announced the selection of the United States’ first seven astronauts, whom the news media quickly dub the “Mercury Seven”.
- The first British-built Concorde 002 made its maiden flight from Filton to RAF Fairford with Brian Trubshaw as the test pilot on April 9, 1969.
Happy birthday goes out on this date to:
- German physicist and academic, Thomas Johann Seebeck, born on this date in 1770.
- Polish-American mathematician and engineer, Charles Proteus Steinmetz was born 160 years ago today.
- Théodore Monod, French explorer and scholar was born on that same date in 1902.
- American engineer, invented the ENIAC, J. Presper Eckert, born on this date in 1919.
- African-American mathematician and aerospace engineer, Mary Jackson was born 104 years ago today.
- American publisher, founded Playboy Enterprises, Hugh Hefner, born on this date in 1926.
- Born April 9, 1937, Canadian screenwriter and producer Marty Krofft.
- Also born on that same date in 1954, American actor, Dennis Quaid.
- English computer scientist and academic, Nigel Shadbolt, born on this date in 1956.
Listener Birthdays
- 14 – Danny Harnish
And that’s the way it was, on this day in history for April 9, 2025
- If you want to get on the Technorama Birthday Calendar, visit our website and look for the Birthday Calendar link.
News
- Giant Mars balloon escapes Kennedy Center plaza, rolls toward highway – NBC4 Washington
- Once-in-a-lifetime star explosion expected any night now – Space News – News – Daily Express US
- A man who used an AI avatar in court because he thought it would present an argument well says he got chewed out by a panel of judges | Fortune
Hacks & Strange Stories
Shout out to the chat room
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Remember When
- Computer Salesman’s Stunning 1979 Vision Came True
- Bill Gates Publishes Original Microsoft Source Code in a Blog Post – CNET
Thank you Patrons!
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Pass me the remote
- Chuck
- Evil (Paramount+)
- Einstein and the Bomb (Netflix)
- Kreg
- The Bondsman – Prime
Geek Library
- Can we recreate a World’s Fair Exhibit with Laserdisc and an Apple II?
- The Clock that Reinvented Time
- Why Are Beach Holes So Deadly?
- A Mystery of Google Maps – What is the Yarrow Ravine Rattlesnake Habitat?
- The 2024 New Jersey Earthquake (and Jan 27 New Hampshire earthquake): First Indicators?
- Trapped Alive in a Frozen Shipwreck (The True Story of the LC Waldo)
- How Geologists Discovered and Mapped a Great Seaway
- Is the ZX81 / Timex Sinclair 1000 actually bad? Let’s fix these to find out.
- The Stannard Rock Lighthouse Tragedy
- These Keys Shouldn’t Exist | Nostalgia Nerd
- What You Don’t Know About King Tut’s Space Dagger
Question of the week
- Would you rather live on a terraformed Mars (thin atmosphere, limited Earth contact) OR live in a massive orbiting space station (crowded, artificial everything)?
Patreon Topic this week
- Chuck’s experience of note taking with Notion in 3 days of auditing a course
- Chuck use’s Grantas’ Bambu X1-Carbon for the first time
End of Show Stuff
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Also Thanks to
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