How the First Electric Lamp was Created in 1705: & Light a Florescent bulb with Static Electricity
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Date: 2022-12-27
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Comments and reviews: 20
realvanman1
The Cooper Hewitt lamp came well before the fluorescent lamp, and was a true low pressure mercury vapor lamp without phosphors. The UV lamp shown glows violet because it is made out of Woods Glass, which blocks short wave UV, as well as most of the visible light, allowing only the long wave UV to pass. The first mercury vapor lamp would have had a blue glow rather than purple.
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The Cooper Hewitt lamp came well before the fluorescent lamp, and was a true low pressure mercury vapor lamp without phosphors. The UV lamp shown glows violet because it is made out of Woods Glass, which blocks short wave UV, as well as most of the visible light, allowing only the long wave UV to pass. The first mercury vapor lamp would have had a blue glow rather than purple.
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Adrian's
I had never heard this history about a mercury vapor vacuum bulb, how cool. Im definitely going to rub some plastic wrap on a fluorescent tube now. I remember as a kid being in a huge thunder storm and the fluorescent tube in my flashlight (yeah this was the 80s and it had a small cold cathode tube) would flash in sync with the lightening. I was fascinated.
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I had never heard this history about a mercury vapor vacuum bulb, how cool. Im definitely going to rub some plastic wrap on a fluorescent tube now. I remember as a kid being in a huge thunder storm and the fluorescent tube in my flashlight (yeah this was the 80s and it had a small cold cathode tube) would flash in sync with the lightening. I was fascinated.
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Charles
Terrific video. I liked it better than the first one. There were of course some omissions, but basically I thought it was spot on. Alright now I want to go back and review the various characters. Thanks for making and putting this series together. Have you gotten any feedback from students? Or your intended audience?
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Terrific video. I liked it better than the first one. There were of course some omissions, but basically I thought it was spot on. Alright now I want to go back and review the various characters. Thanks for making and putting this series together. Have you gotten any feedback from students? Or your intended audience?
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Jeff
Hauksbee's experiments have for me surpassed both Tesla's and Franklin's as beyond beautiful. He was such an ingenious inventor. His book of Physico-mechanical Experiments is an absolute treasure chest of inspiration. He deserves a lot of more credit than he is given, hopefully time will do him justice!
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Hauksbee's experiments have for me surpassed both Tesla's and Franklin's as beyond beautiful. He was such an ingenious inventor. His book of Physico-mechanical Experiments is an absolute treasure chest of inspiration. He deserves a lot of more credit than he is given, hopefully time will do him justice!
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Walt
Hi Kathy! Thank you for your amazing videos about the story of electrecity. I have noticed you used videos from the series of documentaries: Great dates in science and technology(i. e Otto Von Guericke. I am looking for all of them. Do you know how I can achieve it?
Cheers
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Hi Kathy! Thank you for your amazing videos about the story of electrecity. I have noticed you used videos from the series of documentaries: Great dates in science and technology(i. e Otto Von Guericke. I am looking for all of them. Do you know how I can achieve it?
Cheers
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Bruce
Very interesting & informative Katly. You are a Saint. The more I learn about the History of Science & Technology, the more I realize we were taught wrong in the public school system about this History. Seems like government ran schools have their own agenda to fulfill.
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Very interesting & informative Katly. You are a Saint. The more I learn about the History of Science & Technology, the more I realize we were taught wrong in the public school system about this History. Seems like government ran schools have their own agenda to fulfill.
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Mark
For a short time, I lived in a house that was very near high-voltage transmission lines. The fluorecent tubes in the kitchen would glow spookily in the dark by themselves - just from the electric field from the power cables outside.
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For a short time, I lived in a house that was very near high-voltage transmission lines. The fluorecent tubes in the kitchen would glow spookily in the dark by themselves - just from the electric field from the power cables outside.
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Mark
You can get a fluorescent tube to light brightly in mid air in a electrical substation. There are a couple of vids showing power workers doing this as a demonstration of how dangerous it is inside the fence around the facility.
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You can get a fluorescent tube to light brightly in mid air in a electrical substation. There are a couple of vids showing power workers doing this as a demonstration of how dangerous it is inside the fence around the facility.
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Muonium
Remarkably, over 300 years after its discovery, the underlying mechanism of the phenomenon, triboelectric charging, is so supremely subtle that its explanation still evades us at a fundamental level.
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Remarkably, over 300 years after its discovery, the underlying mechanism of the phenomenon, triboelectric charging, is so supremely subtle that its explanation still evades us at a fundamental level.
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education
I don't laugh aloud often
But I seem to at least once every time I watch one of your videos.
You should try your hand at comedy. Your deadpan delivery is killer
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I don't laugh aloud often
But I seem to at least once every time I watch one of your videos.
You should try your hand at comedy. Your deadpan delivery is killer
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ImAllRightWhosLeft
Brilliant as always. About Newton being prickly, cheap and mean. Can we get more information on these details? Thank you in advance.
Cheers from India.
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Brilliant as always. About Newton being prickly, cheap and mean. Can we get more information on these details? Thank you in advance.
Cheers from India.
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Acnh4lyfe
love your videos. keep teaching you have a gift truly. As a student I highly appreciate it and wish some of my instructors were like you. You're awesome Kathy!
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love your videos. keep teaching you have a gift truly. As a student I highly appreciate it and wish some of my instructors were like you. You're awesome Kathy!
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Pixxel
How do you learn all this stuff? You are a seemingly endless repository of fascinating anecdotes. You would be an amazing dinner guest! Thanks for this series.
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How do you learn all this stuff? You are a seemingly endless repository of fascinating anecdotes. You would be an amazing dinner guest! Thanks for this series.
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Zachrey
Wow! Wonderful stuff! I had no idea Newton was such a stinker! I have a bachelor's in physics and thought I knew a thing or two about the history of science.
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Wow! Wonderful stuff! I had no idea Newton was such a stinker! I have a bachelor's in physics and thought I knew a thing or two about the history of science.
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Data
As an undergraduate I worked on the campus radio station. At Christmas time we hung old fluorescent bulbs from the antenna stays in the tower and they glowed.
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As an undergraduate I worked on the campus radio station. At Christmas time we hung old fluorescent bulbs from the antenna stays in the tower and they glowed.
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Mr
You make all scientists video I love it I never seen such a beautiful explain about scientist keep it up and make such more video please ma'am.
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You make all scientists video I love it I never seen such a beautiful explain about scientist keep it up and make such more video please ma'am.
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Adam
I sincerely request that you put a disclaimer on your videos: WARNING: Very Interesting and may lead to unintended binge watching.
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I sincerely request that you put a disclaimer on your videos: WARNING: Very Interesting and may lead to unintended binge watching.
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Steve
Just checked. When I rub a fluorescent bulb against a polyester pants leg in the dark, it lights up faintly and intermittently.
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Just checked. When I rub a fluorescent bulb against a polyester pants leg in the dark, it lights up faintly and intermittently.
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JerrydaScrivener
In the Haukesbee experiment, is it the glass or the human hand that acquires the negative charge from rubbing?
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In the Haukesbee experiment, is it the glass or the human hand that acquires the negative charge from rubbing?
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Brian
Wow, this is a really great video. There aren't many videos on hauksbee and this one really covered so many great things!
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Wow, this is a really great video. There aren't many videos on hauksbee and this one really covered so many great things!
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