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386,193 Views • Feb 27, 2024 • Click to toggle off description
Views : 386,193
Genre: Education
Feb 27, 2024 ^^
warning: returnyoutubedislikes may not be accurate, this is just an estiment ehe :3
Rating : 4.958 (245/23,028 LTDR)
98.95% of the users lieked the video!!
1.05% of the users dislieked the video!!
User score: 98.42- Masterpiece Video
RYD date created : 2024-08-21T09:39:34.988597Z
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YouTube Comments - 1,202 Comments
Top Comments of this video!! :3
Gravity and magnetism don't "end." They just asymptotically approach zero.
1.2K |
We used magnetic 125kHz fields for pedestrian detection around mining vehicles. The detector chips we used were originally designed for automotive keyless entry, but with a strong transmitter we could push out to 40m detection distance. But magnetic fields drop off with R-cubed rather than R-squared with RF, so getting more range is much more difficult.
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Let's just talk about how intense this man's hobby/work idk is....good for him. The amount of wonders in that small space are peaking my interest. These are the kind of people I want as friends.
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Its amazing to see something like this shown in real time. Its proving itself I think that's so cool. We rarely see a real life example of physics in action
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I was just sitting here thinking to myself, "I wonder how far the field from a small magnet can travel," and then I found this video!
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I do electrical measurements.
When I use high voltage (usually 5kV DC) to measure insulation resistance with an older device (the measuring cables have thinner insulation and, likely, a weaker screen) nobody can move in the radius of about 5 meters in the room, because the disturbance in the magnetic field causes the resulting resistance (or more specifically the current, which is what the thing actually measures) to drop quite dramatically.
Even with the newer cables (they have like twice the insulation and using a different material, though beats me exactly which one), if I put my hand close to the cable, the measurement still tanks noticeably.
So... yeah, you don't even need a magnet for an experiment like that.
As for your question the answer is "virtually infinite". The only thing that determines it is how sensitive your device is.
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You’re blowing my mind with ideas
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wow, you could use eletromagnetic field for communication
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meanwhile on the other side of the universe, someone’s magnets just fell of the refrigerator
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My grandfather did your kind of work. He was born in 1932, went to france in the service in 1950, and came home in '53. He married my grandmother in 1955 and worked as a television repairman until his death in 1994. I still have one of his televisions from 1959.
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This is basically how the MAD on a naval patrol aircraft works for hunting submarines.
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Your shop has such a nice vibe, especially with the view from the outside
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i rarely comments on any youtube vidoes, but man this channel is very educational!
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Thank you for the Demonstration Sir .
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Great experiment!!
And great comments and sharing of similar situations
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As a kid I realized if you hold and hop a magnet in your hand it will actually flip and rotate with the tennis racket effect using the earths magnetic field. All fields are infinite.
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Great insightful experiment.
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You have great demonstrations.
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OK! This is a great experiment. I believe you can get a longer distance if you turn the small magnet at a constant speed, and add a filter and amplifier at the expected frequency before the scop.
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@Ichangedmynom
4 months ago
All fields are infinite, they just become immeasurably weak with enough distance.
3.9K |