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magnet,magnetic,eddy,current,emf Magnet drops super-slowly through an eddy tube (7 sec)

Magnet drops super-slowly through an eddy tube (7 sec)

posted by arvana

7 months ago • 128747 views

tags: magnet, magnetic, eddy, current, emf

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This video is not slowed down. The movement of a magnet falling down a copper tube creates an electrical current around the tube, which exerts a slowing force on the magnet.

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That's fucking ace, never knew this. Why didn't anyone show this to me in school? My dad even taught me physics at school and he showed me all the cool shit except this.

written by dannym3141

| 7 months ago | CH

▲ 1 ▼ | flag spam (0)

SCIENCE!!

written by youdiejoe

| 7 months ago | CH

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Is there an electric spark when the magnet reaches the bottom of the tube?

written by StukaFox | 7 months ago | CH

▲ 0 ▼ | flag spam (0)

>> ^StukaFox:
Is there an electric spark when the magnet reaches the bottom of the tube?

No, just a brief flash of reflected light from the white surface below- blocked when the magnet's in the tube.

written by therealblankman

| 7 months ago | CH

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FAKE! The hand and pipe were obviously photoshopped in over someone playing around with Wesley Crusher's Hand Held Tractor Beam Projector.

written by Payback

| 7 months ago | CH

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This is SO COOL! I just did the exact thing in my kitchen with a length of 1/2" repair pipe and a neodymium magnet. AWESOME!

written by Spoon_Gouge | 7 months ago | CH

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What the hell. I was searching for that Unbelievable song, and I find this shit?

written by OverLord

| 7 months ago | CH

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^You're Unbelievable! Oh! du Da da do da!

written by grinter

| 7 months ago | CH

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We had to do an experiment like this in my physics lab with accelerations and stuff. For some reason we got a weird unexplained spike in the middle of our data that we couldn't explain so we tried telling our TA that we found a monopole. Ya, he didn't buy it.

written by theaceofclubz

| 6 months 4 weeks ago | CH

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Reddit Front page:
http://www.reddit.com/r/science/comments/8fo7x/when_you_drop_a_magnet_through_a_copper_tube/

Thanks Arvana and Virga!

written by dag

| 6 months 4 weeks ago | CH

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Whoa, over 25,000 views! Go VideoSift!

written by arvana

| 6 months 4 weeks ago | CH

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reddit #1 as of 1:34 am west coast 4/27/09.

Well finally the sift is getting the nerd love it deserves from reddit!!!!one!!!1!!111!!!eleven!!!!!

written by James Roe

| 6 months 4 weeks ago | CH

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*promote

written by James Roe

| 6 months 4 weeks ago | CH

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Promoting this video back to the front page; last published Friday, April 24th, 2009 12:43am PDT - promote requested by James Roe.

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