Paleolithic refers to the era 2,500,00- 10,000 BCE. In the Greek language pleolithic translates as "old stone age."

TO GO ON! (Literal)

Do not give up, do not be beaten,

Do not feel like a slave, not even a slave;

Tremor of dread, think bravo,

And lash out fiercely, already badly wounded

Have the tenacity of the moldy nail,

That old and mean again becomes a nail;

Not …

RPN is a reverse polish command line calculator and repl. It is written in C++ with Lex and Yacc generated grammar. RPN provides a similar syntax as classic reverse polish calculators. I have just released it under the GNU GPLv3 on my github page.

Homo Sapien is the biological classification which includes human beings as we know them today. The first homo sapiens appeared in Africa about 200,000 years ago.

The Bethe Trick - Bethe taught Feynman how square quickly at Los Alamos.