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:
“Where have those flowers and butterflies all gone
That science may have staked the future on?
He seems to say the reason why so much
Should come to nothing must be fairly faced.....”
—Robert Frost (1874–1963)
“The natural historian is not a fisherman who prays for cloudy days and good luck merely; but as fishing has been styled “a contemplative man’s recreation,” introducing him profitably to woods and water, so the fruit of the naturalist’s observations is not in new genera or species, but in new contemplations still, and science is only a more contemplative man’s recreation.”
—Henry David Thoreau (1817–1862)