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
Archive for the ‘Inventions’ Category:
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
2025-06-26 Reactor Turns Sunlight Into Green Hydrogen, No Electricity Needed
The catalyst is ceria. https://www.facebook.com/story.php?story_fbid=pfbid0hTCdqbmEGNpRqVYhJ2Dgct1Avi7raawwaJdkL9y3hyxSrbFjjva1VAzf1Aefcfvtl&id=100064453789721&post_id=100064453789721_pfbid0hTCdqbmEGNpRqVYhJ2Dgct1Avi7raawwaJdkL9y3hyxSrbFjjva1VAzf1Aefcfvtl&mibextid=NOb6eG
2025-06-25 Drone Can Charge Straight From The Power Line
This drone can charge straight from the power lines. A prototype built by students in Denmark. https://www.facebook.com/reel/2827561450966396/?mibextid=9drbnH
2025-06-18 Gelion Zinc Bromine Battery – Very Good For BESS Storage
A 12 min. YouTube video tells about an old technology called zinc bromine batteries and their Gelion batteries. Pronounced jel-e-on. They are cheaper and more rugged than Li-Ion. They discharge to zero.
2025-03-19 Solar Panel Cleaner Sprays Dust Away
https://www.facebook.com/NiftyThriftybymetdaan/videos/953912510279200/?mibextid=9drbnH&s=yWDuG2&fs=e
2025-03-15 Specially Made Wrench Fits Odd Sized Bolts
https://www.facebook.com/reel/1817299472352574/?mibextid=9drbnH&s=yWDuG2&fs=e
2025-02-25 Tesla Breaks The Mold With RIM
He tells us how the Cybercab will be made using RIM – reactive injection molding. Plus unboxed assembly. https://x.com/thejefflutz/status/1894130884183560481
