What is Stone Age?
1.
The age when people walked everywhere and didn't remove trees from the forest.
We're all doomed.
2.
A limited reference to a persons inability to understand simple topics.
"The effects of quantum mechanics are typically not observable on macroscopic scales, but become evident at the atomic and subatomic level. There are however exceptions to this rule such as superfluidity." reply "Ye Stone-Age"
"Simmer on low for 10 minutes" reply "Stone age?"
See
