This is why it is pointless to do anything other than point out your apparent lack of an education.If you are too stupid to understand that glass is actually a liquid, you should just STFU.
No. You don't calibrate the markings.
If you think glass, "is a liquid which flows over time", then it really doesn't matter how far you went in school. If you're stuck on this little detail then how can you understand global warming?
Originally Posted by Munchmasterman
If you blindly accept the readings of some random instrument, you do not understand scientific measurement.
cal·i·brate
ˈkaləˌbrāt/
verb
correlate the readings of (an instrument) with those of a standard in order to check the instrument's accuracy.
If I ever embarrass myself as completely and humiliatingly as Munchie has embarrassed himself in this instance, someone please shoot me!!