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Magnet and Ball Bearing Demonstration

Hits: 16456 | Rating: (3.0) | Category: Science | Added by: fancylad
Page: 1 2 3 Next >   Jump to: Bottom    Last Post
Male, 18-29, Southern US
 1 Posts
Friday, September 04, 2009 12:42:13 AM
skf bearings

Male, 13-17, Southern US
 2 Posts
Monday, February 23, 2009 4:02:58 PM
If you don't believe what 'm saying, here is the information form a listing on a video website named VideoSift:

"From BMW Museum in Munich. The kinetic sculpture consists of 714 ball bearings held up by string and moves to create some pretty cool 3D images."

there...point proved.

Male, 13-17, Southern US
 2 Posts
Monday, February 23, 2009 3:59:12 PM
Wow. Whoever thinks this is magnetic propulsion is probably suffering from Necrotizing fasciitis of the brain...(not a true medical condition). This is a kinetic sculpture, not a scientific demonstration. If you cant see due to eye problems, there are strings attached to the ALUMINUM balls and there are motors in the ceiling lifting and lowering these balls in a coordinated manner in order to create the ornate figures. If there were such a thing as a magnetic field that can stay in a perfect vertical cylinder without affecting the space around it then we would already be flying to work and every thing involving magnetic fields would be so much more advanced. A magnetic field tries to connect to other magnetic fields around it creating one large magnetic field, therefore if this sculpture was created with magnetic platforms and iron/steel/cobalt/nickel/ some other magnetic alloy, they would me moving in one large glob.

Female, 18-29, Western US
 1239 Posts
Saturday, February 21, 2009 11:58:51 AM
Are those ball-bearings made of a nonconductor that is still hard-magnetic? I also don't think that magnetic flux lines could be lined up so perfectly and -not- interfere with one another. The calculations terrify me. PLUS, if you were using the right-hand rule at all, then you'd know that setting up a field parallel to the plane of force does nothing - it has to be perpendicular. Plus, the separation of charges in the ball would cause potential voltage, which would create current, which would create a magnetic field of it's own, and according to Lenz' Law, the ball would just kind of hover there and not move. That is, if everything else was right in the first place.

I think it's just fishing line.

Male, 18-29, Canada
 1 Posts
Saturday, February 21, 2009 9:48:43 AM
i was there for that and there is a magnetic platform on the ground and roof so the ball bearings can be pushed (repeled) or pulled (attracted)

thanx guys

Male, 18-29, Canada
 27 Posts
Saturday, February 21, 2009 9:19:06 AM
could you fling those things at people?...that would be sweet! ^.^

Male, 13-17, Eastern US
 918 Posts
Saturday, February 21, 2009 6:10:13 AM
Dan,I didn't even think of that.
And they couldn't be magnets,either,because they would attach to each other.

Male, 13-17, Europe
 1720 Posts
Saturday, February 21, 2009 3:34:27 AM
well that was fake. Can't repel a ball bearing, end of.

Man that ruined the video. But i see your logic =(

Female, 18-29, Western US
 144 Posts
Friday, February 20, 2009 9:02:51 PM
those magnets looked alot like strings when i first saw them....

Male, 13-17, Europe
 277 Posts
Friday, February 20, 2009 5:07:37 PM

Friday, February 20, 2009 5:01:51 PM
well that was fake. Can't repel a ball bearing, end of.

its true..

Male, 18-29, Europe
 2137 Posts
Friday, February 20, 2009 5:01:51 PM
well that was fake. Can't repel a ball bearing, end of.

Male, 40-49, Midwest US
 5220 Posts
Friday, February 20, 2009 12:35:26 PM
FFS, it's not magnets, it's strings. The world is full of incredibly stupid people who know nothing about magnets, but are arrogant enough to assume they do.

Male, 18-29, Canada
 506 Posts
Friday, February 20, 2009 8:01:03 AM
I actually saw this exibit. It's just balls on strings. Don't know what the big deal. Has nothing to do with magnets.

Male, 13-17, Europe
 243 Posts
Friday, February 20, 2009 7:14:08 AM
still no cure for cancer? yeah, nice work you scientist douchebags!

Male, 18-29, Europe
 779 Posts
Friday, February 20, 2009 6:58:11 AM
They are actually strings; none of them loop over the others, it's simply a good optical illusion. They're rows of metal balls on strings controlled by electric motors connected to a computer that controls their movement. Ingenious.

Male, 40-49, Australia
 8285 Posts
Friday, February 20, 2009 6:45:08 AM
This wasn't string or magnets, strings would have tangled with each other when the top ones looped under the bottom ones, and magnetic fields wouldn't be focusable enough to control one ball bearing. It was obviously done with telekinesis.

Male, 30-39, Western US
 112 Posts
Friday, February 20, 2009 6:23:34 AM
Wow I want one of those.

Male, 18-29, S. America
 272 Posts
Friday, February 20, 2009 5:46:48 AM
pretty balls

Male, 18-29, Europe
 66 Posts
Friday, February 20, 2009 5:05:46 AM
The same incorrect title and description as when it was posted on LiveLeak yesterday. Don't people even try before they submit anymore?

Male, 18-29, Asia
 680 Posts
Friday, February 20, 2009 3:40:27 AM
The description for this video is a complete lie. How does something like that happen??

Male, 18-29, Europe
 20 Posts
Friday, February 20, 2009 2:09:33 AM
Work faster you lazy balls!

Female, 40-49, Western US
 1063 Posts
Friday, February 20, 2009 12:18:54 AM
lmao jared

Male, 18-29, Canada
 1822 Posts
Thursday, February 19, 2009 10:05:56 PM
I was all excited about magnets....

Btw, those are just balls. Ball bearings are the things in rollerblade wheels, two rings with balls in between to allow them to spin independently from each other.
As in, they bear balls. Ball bearings.
Those were just metal spheres.

Female, 18-29, Eastern US
 1078 Posts
Thursday, February 19, 2009 9:23:34 PM
even if its fake it stil looks cool

Male, 18-29, Southern US
 44 Posts
Thursday, February 19, 2009 9:02:20 PM
Yea this was on Gizmodo like 6 months ago. They had the entire story there. It's metal bearings hung from thin wire. Definitely not magnets. We're advanced, yes. But not quite that advanced.

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