WinterDeere
Super Member
- Joined
- Sep 6, 2011
- Messages
- 5,726
- Location
- Philadelphia
- Tractor
- John Deere 3033R, 855 MFWD, 757 ZTrak; IH Cub Cadet 123
Glass flows... in theory. But not in any way actually measureable on a human time scale at room temperature. Much more heat and many more centuries would be required, to satisfy some of the claims that have been made about how glass became wavy. 