4 Telsa magnetic field http://www.coolmagnetman.com/magflux.htm http://www.coolmagnetman.com/magflux.htm How strong are magnets? http://www.coolmagnetman.com/magflux.htm "How strong are magnets?" http://www.coolmagnetman.com/magflux.htm "How strong are magnets?" "How strong are magnets?" http://www.coolmagnetman.com/magflux.htm http://www.coolmagnetman.com/magflux.htm http://www.coolmagnetman.com/magflux.htm http://www.coolmagnetman.com/magflux.htm Cool Magnet Man: How Strong are Magnets? http://www.coolmagnetman.com/magflux.htm «How strong are magnets?» http://www.coolmagnetman.com/magflux.htm http://www.coolmagnetman.com/magflux.htm How strong are magnets? http://www.coolmagnetman.com/magflux.htm http://www.coolmagnetman.com/magflux.htm http://www.coolmagnetman.com/magflux.htm « How strong are magnets? »