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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!!! :)
Great experiment. Love the idea.
By UnderMan1965 [Affiliate User] 1224606108 Reply Spam [+0] Moderate Up Moderate Down RemoveAh ok! Thanks.
By miasr55 [Affiliate User] 1223232172 Reply Spam [+0] Moderate Up Moderate Down Remove> 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.
> Why baby oil?
Low-viscosity oil, easy to shake up after iron has settled out. Flat plastic bottle for free!
Is it possibe to confine the magnetic fields on one spot? Maybe insulating them with rubber or other insulating materials? Is that possibe? Thanks. AL.
By alsports2000 [Affiliate User] 1223090901 Reply Spam [+0] Moderate Up Moderate Down RemoveI wonder if you dragged that magnet through the dirt, wouldn't that give you some iron filings? I used to get Iron particles in my pan after looking for placer gold in Wyoming.
By MikeofWyoming [Affiliate User] 1223087724 Reply Spam [+0] Moderate Up Moderate Down Removeyes, but u cant litraly SEE the gost
By parkourguy123 [Affiliate User] 1223040013 Reply Spam [+0] Moderate Up Moderate Down RemoveWhy baby oil?
By miasr55 [Affiliate User] 1222825597 Reply Spam [+0] Moderate Up Moderate Down Removewow i was actually looking for the magnetic fields (the band) but this was more rewarding and ill be making one
By GalactusNJ [Affiliate User] 1222092759 Reply Spam [+0] Moderate Up Moderate Down RemoveThat was awesome, I am gonna make one. : D
By kashish07111988 [Affiliate User] 1221741938 Reply Spam [+0] Moderate Up Moderate Down Removesweet
By gobbledygookie [Affiliate User] 1221421396 Reply Spam [+0] Moderate Up Moderate Down Remove> your camera can't decide between background and the object itself
Manual focus only works at 50cm. For close shots I have to use macro with autofocus which cannot be disabled. Cheap $200 camera!
Great videos you have! Just one hint as a viewer: It would be better if u use manual focus on your camera. In some of your videos your camera can't decide between background and the object itself and it makes object blurry.
By Chassier [Affiliate User] 1220556553 Reply Spam [+0] Moderate Up Moderate Down Removehey wbeaty cool vid, can you catch ghosts with that thang
By COCMinducedPwnage [Affiliate User] 1219971513 Reply Spam [+0] Moderate Up Moderate Down Remove> remnants or residue under a grinder
It's not fibers. You could try and see what happens though.
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