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 built up with facts, as a house is with stones. But a collection of facts is no more a science than a heap of stones is a house.”
—Jules Henri Poincare (1854–1912)
“As a science of the unconscious it is a therapeutic method, in the grand style, a method overarching the individual case. Call this, if you choose, a poet’s utopia.”
—Thomas Mann (1875–1955)