3 ms·

So how long until these lose strength, or worse, the patterning altogether?

• jaak 11y ago
  The FAQ claims they will loose about 1% of their strength every 100 years. http://www.polymagnet.com/faq/ http://www.polymagnet.com/faq/
  • hanniabu 11y ago
    Good enough for me...
  • schoen 11y ago
    I wonder if that's linear or exponential decay. (It's hard for any user to stick around long enough to notice the difference...)