What is the gauss rating on the magnets?
1189209
It is at least 13,800 gauss. Much higher than needed for magnetic therapies.
1622855
As to north or south I really don't know. They appear to be pretty weak in Gauss but I understand it doesn't take much Does it work? Too early to tell for sure but it seens to Nice looking though
1137195
I don't believe so. I threw the packaging away......but I don't remember it mentioning magnets.
900279
I did not measure them but what I can tell you is, I have used many magnets before but I have not used any as strong as these. With your hands, if you get them any closer than 1/2 inch apart you cannot hold them back.
1668455
For reference : Small bar magnet ~ 0.01 Tesla 100 Gauss Strong lab magnet 10 Tesla 100,000 Gauss I'm guessing this one is on the low end ...
633636
I bought the set they are fully magnetized the 4 ft level is a bit narrow and has 2 magnets but its definitely strong enough to stay in place on a metal stud. Hope this helps
1841844
Yes they are magnetized. I disagree with the answer from Goebel above. Maybe he got a bad batch.
1662270
These magnets are tiny but they are also strong. Direct magnet to metal contact on a model would not be recommended as these magnets do have some power. However, if you were to apply a barrier between the magnet and the metal then it would probably be okay.
1447700
The magnets are really strong. I've had mine about 4 months and it's fine so far.
1324524
We bought this as a gift for our son-in-law last Christmas, so we really couldn't say what the magnetic strength is on it. Sorry!
633833
Well, as far as I know magnets don't ever lose their magnetic properties, so I'm not exactly sure what you mean by the typical lifespan.... but I can say I have purchased these magnets and they are very strong - much stronger than a typical (decorative) refrigerator magnet you might buy in a novelty store or something. So I think they would last you a very, very long time!
1212173
Although I don't pretend to be an expert on electricity and magnetism, I have had some experience with these (and other) neodymium magnets. In general, I can tell you that I've never seen a noticeable (or measurable) degradation of the magnetic field strength simply due to the relative positioning of the poles. However, the caveat is that I only keep the magnets in a given position for a relatively short time (hours- not days or weeks). I would think it very likely that variables like the distance between the magnets and the amount of time spent in very close proximity could cause the natural gradual weakening of magnets to be accelerated somewhat. I'm not sure I understand how you're proposing to use the magnetic fields to create a "friction-less vertical axis", however. If you're attempting to create a magnetic buffer zone (or cushion) between the "like" poles of the magnets (much the way "bullet" trains glide (with very little friction) over their tracks on an electromagnetic cushion) then you might consider the following: Magnets attract or repel certain metals because the normal distribution of charged particles within them changes from a random (electrically neutral) state to a polarized state in which negative particles congregate at one pole and positive charges (or the absence of negative charges) move to the other (all magnets are dipoles). Btw...the terms "north pole" and "south pole" are arbitrary....the only relevant point is that they're either the same or different poles (magnetic lines of force emanate from the positive (i.e. North) pole and re-enter through the negative (i.e. South) pole). Good luck!
87048
We have both Magnatiles and Magformers. The magnets do NOT line up. If I recall correctly, the Magformer shapes like squares and triangles are slightly smaller than their Magnatiles counterparts, and the bigger Magformers shapes have different magnet placement than on the Magnatiles. (But the Magformer magnets are much stronger!)
1337159
I don't actually remember, but I have conducted a test and they are not magnetic. Hope this helps. Joan R.
2107867
I really don't know. It looks like the sizes and shapes are the same, for the most part. The magnets are in the center of the sides with these, not on the corners, and the magformers have more rounded edges. My son has about 200 pieces of these now. Family members bought him a set with the led light and the set with 4 tires. I wish I could tell you if they'd work together.
2142312
Not sure of the exact amount but there are a lot of star magnets (maybe 100??) and also ones with pictures. Not sure what the latter are for but we used them to denote multiples of 5.
570426
As far as I can tell, they are stainless. I don't recall exactly when I bought them, but I would guess at least several years ago, and they have not shown any surface corrosion to date. As to the magnetic properties others have mentioned, generally speaking Austenitic stainless (304, 316, etc.) are not magnetic, but the Ferritic 400 series generally are.