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Suspended steel filaments make three-dimensional magnetic fields visible. See http://amasci.com/electrom/statbotl.html I came up with this one for the Electronics exhibit at Museum of Science, but it ended up as a build-it device for science teachers. I also discovered that baby oil slowly pushes its way through glued plexiglas joints. If you build an 8" cube of thick plexiglas and fill it with baby oil, a few months later you notice that it's half empty! And the other half is soaked into all the books on the shelf below! AND IT'S A SHELF IN A COLLEAGUE'S OFFICE!!! :)

Channel: Howto & Style
Uploaded: June 18, 2007 at 12:40 am
Author: wbeaty

Length: 0:05:16
Rating: 4.64
Views: 106,549

Tags: magnet magnetic field fields physics science demonstration demo

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Video Comments:
the4x4yamaha (Sunday 16th of November 2008 06:12:11 PM)
i see you have a good size electric motor in the back ground that is unwound. can u make a video of how to wind them, i can never get it to work
BigMaleSpidaProd97 (Saturday 15th of November 2008 10:31:37 AM)
thank you, this is my science fair project. im working on it t0day
Aznette12 (Tuesday 4th of November 2008 07:14:52 PM)
thnx alot my teacher is going to give me extra credit for this!!
volcanical1 (Sunday 2nd of November 2008 01:12:39 PM)
why not water
JayTsunDayVis (Sunday 9th of November 2008 08:08:56 PM)
Water will make the steal rust, I could be wrong, but it seems logical.
RedYr93 (Tuesday 28th of October 2008 01:31:44 AM)
but it's SPECIAL baby oil...
allanseeder (Wednesday 22nd of October 2008 04:56:30 AM)
cool
UnderMan1965 (Tuesday 21st of October 2008 09:21:48 AM)
Great experiment. Love the idea.
miasr55 (Sunday 5th of October 2008 11:42:52 AM)
Ah ok! Thanks.
wbeaty (Sunday 5th of October 2008 11:23:35 AM)
> confine the magnetic fields on one spot? Make a "C-shaped" magnet with the fields very close together. All the field will be in the gap between the poles.