Space/Science » in reply to But lines of force in a magnetic field are not just mental models.

Ferrofluids

podrock — 1/10/2006 4:44:32 PM (archived)

Ferrofluids

I got a Ferrofluid science kit for my nephew last year (and one for me!) You can get them Educational Innovations (not a direct link, enter "ferrofluids" into the search box).

Pretty neat stuff for showing lines of magnetic force.

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The whole thread (52 posts)

• Earth to Mars in 3 hours? Eleven light years in just 80 days?! - LJK - 1/5/2006 6:16:16 PM
  • Some more information - Peter Bruener - 1/8/2006 12:37:40 AM
    • re: Some more information - LJK - 1/8/2006 4:34:12 PM
  • The root New Scientist Article - phil - 1/6/2006 3:11:26 PM
    • re: The root New Scientist Article URL - phil - 1/6/2006 3:12:13 PM
      • A quack - or the Next Einstein? - LJK - 1/6/2006 4:16:41 PM
        • Come on...nobody can come up with a subscale experiment? - Tom Brosz - 1/6/2006 6:32:15 PM
          • There's 35 Tesla strength magnets in Florida......Make it so! (n/t) - Lee - 1/7/2006 4:23:25 AM
          • The ability of this theory to determine particle mass does make one wonder. - Lee - 1/6/2006 8:52:48 PM
          • re: Come on...nobody can come up with a subscale experiment? - LJK - 1/6/2006 7:51:08 PM
            • Remember this guy? - et - 1/6/2006 8:10:43 PM
              • re: Remember this guy? Yes - phil - 1/6/2006 10:49:51 PM
                • And what exactly is magnetic flux made of? - Lee - 1/6/2006 10:58:57 PM
                  • To first order - R.L. - 1/7/2006 12:24:51 PM
                    • But lines of force in a magnetic field are not just mental models. - Lee - 1/7/2006 10:48:58 PM
                      • Ferrofluids - podrock - 1/10/2006 4:44:32 PM
                        • Very cool, just ordered one. Thanks. (n/t) - Lee - 1/10/2006 7:43:38 PM
                      • well, depends on semantics I guess - e.k. - 1/8/2006 5:09:01 AM
                        • Another good question. - Lee - 1/9/2006 2:11:51 AM
                          • 1) I dont know - R.L. - 1/9/2006 4:50:07 AM
                    • CORRECTION - R.L. - 1/7/2006 12:41:38 PM
                  • re: I could give you my understanding of it, but it would upset RL/ Mod Bob. (n/t) - Johannes - 1/7/2006 12:45:13 AM
                    • Only if it is your usual pseudoscience... - ModBob - 1/8/2006 12:50:12 AM
                    • Considering there is no "official" theory, give it a shot. - Lee - 1/7/2006 4:21:13 AM
                      • re: When I have time I'll post it on OT, saves Mod Bob the trouble. (n/t) - Johannes - 1/8/2006 5:16:43 AM
                  • re: And what exactly is magnetic flux made of? - phil - 1/7/2006 12:16:50 AM
                    • Put more simply, it's a relativistic electric field. - et - 1/7/2006 5:07:58 AM
                      • And the link... - et - 1/7/2006 5:08:42 AM
        • re: A quack - or the Next Einstein? - phil - 1/6/2006 5:52:09 PM
          • re: A quack - or the Next Einstein? - Hugheim - 1/25/2006 12:32:51 PM
  • First off, there are no parallel universes involved.... - et - 1/6/2006 3:30:21 AM
  • re: Earth to Mars in 3 hours? Eleven light years in just 80 days?! - john - 1/6/2006 1:33:55 AM
  • re: Earth to Mars in 3 hours? Eleven light years in just 80 days?! - john - 1/6/2006 1:33:51 AM
  • Bunk! - Jacob Samorodin - 1/6/2006 12:24:03 AM
    • It is bunk... - R.L. - 1/7/2006 7:21:48 AM
      • Not just the field needed - Adam - 1/9/2006 6:28:03 AM
    • re: Bunk! - Dave M - 1/6/2006 11:25:13 PM
      • Einstein and Heim - LJK - 1/9/2006 5:27:43 PM
        • I say we give these guys some rope. - Lee - 1/9/2006 8:11:08 PM
    • re: Bunk? - Tom Brosz - 1/6/2006 1:01:48 AM
      • re: Bunk? - LJK - 1/6/2006 2:41:32 AM
  • re: Concepts - Raoul - 1/5/2006 8:30:02 PM
  • Physics stuff in the paper is a bit deep for me... - Tom Brosz - 1/5/2006 7:54:20 PM
    • It didn't look like a serious proposal to me. - SDF - 1/6/2006 2:11:56 AM
      • Don't forget Miguel Alcubierre's Warp Drive - LJK - 1/6/2006 5:35:11 PM
        • re: Don't forget Miguel Alcubierre's Warp Drive - Dave M - 1/6/2006 11:18:18 PM
          • Krasnikov reckons... - Adam - 1/9/2006 6:33:11 AM
            • Centauri Dreams take on it - LJK - 1/9/2006 6:47:02 PM
              • Marc Millis on Hyperspace Propulsion from Centauri Dreams - LJK - 1/11/2006 10:43:08 PM
  • re: Earth to Mars in 3 hours? Eleven light years in just 80 days?! - phil - 1/5/2006 6:39:37 PM
    • re: Earth to Mars in 3 hours? Eleven light years in just 80 days?! - LJK - 1/7/2006 1:22:54 AM
    • My questions - LJK - 1/6/2006 2:24:56 AM