Originally Posted by
The_Cretin
People figured out the reason in the early 1990s if not earlier. I don't know why people are still trying to solve an already-solved puzzle.
It's like the glass is a liquid argument. Tell that to the 10000-year-old obsidian arrow heads that you can shave with or Mt. Wilson observatory's perfect-figure optics from 108 years ago.
Still, old homes have thicker glass at the bottoms of their windows, so it must be because they're liquid, right?
