
No one expected the two to have such a close bond, yet between these scientists along with their friends, great bounds in the scientific community have been made. http://phet.colorado.edu/en/simulation/john-travoltage To better understand John Travoltage, please visit this site before you read. Thank you Jan for making our year in your physics class amazing. This one's for you.Bảo Lưu Mọi Quyền