In Science
- The atomic number of sodium.
- In chemistry, Group 11 includes the three coinage metals copper, silver, and gold known from antiquity. It also includes the superheavy element roentgenium, which was discovered only recently.
- The number of spacetime dimensions in M-theory.
Read more about this topic: 11 (number)
Famous quotes containing the word science:
“Science is facts. Just as houses are made of stones, so is science made of facts. But a pile of stones is not a house and a collection of facts is not necessarily science.”
—Jules Henri Poincare (1854–1912)
“Man lives for science as well as bread.”
—William James (1842–1910)