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2. Criterium - Wikipedia

   en.wikipedia.org/wiki/Criterium

   Criterium. A criterium, or crit, is a bike race consisting of several laps around a closed circuit, the length of each lap or circuit ranging from about 400 m to 10,000 m. [1] Collegiate cyclists take a tight downhill corner in the Boston Beanpot Criterium at Tufts University.

3. Fox News - Wikipedia

   en.wikipedia.org/wiki/Fox_News

   Online stream. Fox News Go (pay-TV subscribers only) The Fox News Channel ( FNC ), commonly known as Fox News, is an American multinational conservative news and political commentary television channel and website based in New York City. [3] [4] It is owned by Fox News Media, which itself is owned by the Fox Corporation. [5]

4. Titanic - Wikipedia

   en.wikipedia.org/wiki/Titanic

   They were powered by steam produced in 29 boilers, 24 of which were double-ended and five single-ended, which contained a total of 159 furnaces. The boilers were 15 feet 9 inches (4.80 m) in diameter and 20 feet (6.1 m) long, each weighing 91.5 tons and capable of holding 48.5 tons of water.

5. Sylvester's criterion - Wikipedia

   en.wikipedia.org/wiki/Sylvester's_criterion

   Sylvester's criterion. In mathematics, Sylvester’s criterion is a necessary and sufficient criterion to determine whether a Hermitian matrix is positive-definite. Sylvester's criterion states that a n × n Hermitian matrix M is positive-definite if and only if all the following matrices have a positive determinant : the upper left 1-by-1 ...

6. Popov criterion - Wikipedia

   en.wikipedia.org/wiki/Popov_criterion

   Popov criterion. In nonlinear control and stability theory, the Popov criterion is a stability criterion discovered by Vasile M. Popov for the absolute stability of a class of nonlinear systems whose nonlinearity must satisfy an open-sector condition. While the circle criterion can be applied to nonlinear time-varying systems, the Popov ...

7. Helium - Wikipedia

   en.wikipedia.org/wiki/Helium

   Helium is the least water-soluble monatomic gas, and one of the least water-soluble of any gas (CF 4, SF 6, and C 4 F 8 have lower mole fraction solubilities: 0.3802, 0.4394, and 0.2372 x 2 /10 −5, respectively, versus helium's 0.70797 x 2 /10 −5), and helium's index of refraction is closer to unity than that of any other gas.