The used a cassette recorder to store the photo and play it back. https://spectrum.ieee.org/first-digital-camera-history?fbclid=IwdGRzaAPVVKFjbGNrA9VS7mV4dG4DYWVtAjExAHNydGMGYXBwX2lkDDM1MDY4NTUzMTcyOAABHmbAC3KQ45zuuvHG-fgR6vTCncLee1hqvshLQ0ImklaCVZqVRjvVEz2FdmeY_aem_eXezm2tGP2Rnsz_HIO7IEQ
Archive for the ‘Inventions’ Category:
2025-01-08 Go Green Filter Converts CO2 into Oxygen
Probably not enough, though… https://www.facebook.com/reel/1163339285575840/?mibextid=9drbnH&s=yWDuG2&fs=e
2025-12-16 Katalin Karikó Nobel Prize For MRNA Vaccine For COVID
They didn’t treat Katalin Karikó well, she deserved better. But she was vindicated in the end. https://www.facebook.com/story.php?story_fbid=pfbid0U1sBy6vS7f1CKrc3vDNUoQLQXJiQbExoLamvJGmm5rgV3QNu6LNKKuTWu73GnRmel&id=61557621760853&post_id=61557621760853_pfbid0U1sBy6vS7f1CKrc3vDNUoQLQXJiQbExoLamvJGmm5rgV3QNu6LNKKuTWu73GnRmel&mibextid=NOb6eG
2025-11-20 Designing A Super Simple Voltage Indicator Based On Battery Charge Indicator
I’ve considered how to turn a power on indicator LED into an output voltage indicator for an adjustable power supply. All the user would see is the indicator LED. This LED would be full brightness when the PS is on, except when it is indicating the voltage, which is when the LED will dim. The
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2025-09-11 Inventor Performs Synthesized Music On The Ondioline
Steve Allen hosts the ?Tonight Show? a long, long time ago, back in the black and white days of TV. I’m guessing the early 1960s. https://www.facebook.com/reel/758211690309657/?mibextid=9drbnH&s=yWDuG2&fs=e
2025-08-23 Automatic Coil Winding Machine
https://www.facebook.com/vacuzmachinefactory/videos/1849900919208187/?mibextid=9drbnH&s=yWDuG2&fs=e
2025-07-27 Flash Drum Control System
It’s a short video of a large cylinder with hundreds of contacts and wire brushes arcing while contacting the cylinder. Controls a sign with hundreds of lights. https://www.facebook.com/61561207012586/videos/735904489084480/?mibextid=9drbnH&s=yWDuG2&fs=e
2025-07-13 Drilling Geothermal Wells With Millimeter Waves From Gyrotrons
It says they’re better than lasers. https://www.facebook.com/story.php?story_fbid=pfbid0pd5jhJE88LC2J1PgbTsW4KdFu9aUcdsTnFZBR9pdg1XkjVwLDF9JUPTRzdxRqfsDl&id=100050306297601&post_id=100050306297601_pfbid0pd5jhJE88LC2J1PgbTsW4KdFu9aUcdsTnFZBR9pdg1XkjVwLDF9JUPTRzdxRqfsDl&mibextid=Nif5oz
2025-07-08 In 1929 The Superheterodyne Radios Made TRF Radios Obsolete
In the 1920s the TRF – tuned radio frequency – radios were hard to tune and their performance wasn’t very good. In 1929 the radio manufacturers started selling superheterodyne radios that had only one tuning knob, not several like the TRFs had. No more fiddling around with knobs to try to get good reception. Plus
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2025-06-28 Japan Built A Device Capable Of Photosynthesis 10 Times Better
Researchers in “Japan built a device capable of photosynthesis 10 times better than nature, turning air directly into fuel.” https://www.facebook.com/story.php?story_fbid=pfbid0227unQ5qyxcuw3McDprzewb96vncHfcDfuNxtfcyUE5VggbAnorZeXzSW21WciGsCl&id=100064405640816&post_id=100064405640816_pfbid0227unQ5qyxcuw3McDprzewb96vncHfcDfuNxtfcyUE5VggbAnorZeXzSW21WciGsCl&mibextid=6yaNxA
