In Science
- The atomic number of zirconium.
- Negative forty is the unique temperature at which the Fahrenheit and Celsius scales correspond; that is, −40°F = −40°C. It is referred to as either "minus forty" or "forty below".
Read more about this topic: 40 (number)
Famous quotes containing the word science:
“If science fiction is the mythology of modern technology, then its myth is tragic.”
—Ursula K. Le Guin (b. 1929)
“After sitting in my chamber many days, reading the poets, I have been out early on a foggy morning and heard the cry of an owl in a neighboring wood as from a nature behind the common, unexplored by science or by literature.”
—Henry David Thoreau (1817–1862)