Abstract
It is usually more convenient to use metric units (technically the International System of Units or SI). A brief list of some of the more useful units is given in Table 12.1. A meter is about a yard long, a liter is about four cups, and a raisin weighs about a gram. Water boils at 373 Kelvin, room temperature is about 293 Kelvin, water freezes at 273∘ Kelvin, and the remnants of the Big Bang explosion are now at about 3 Kelvin. Nothing can be colder than absolute zero, which is 0 Kelvin.
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Notes
- 1.
The differential cross section is often written as \(d\sigma /d\Omega \).
- 2.
Coulomb’s constant is often written as k C = k e e 2, where e = 1. 6 × 10−19. Coulombs are the basic unit of electric charge.
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Nomura, Y., Poirier, B., Terning, J. (2018). Extra Material: The Equations Behind the Words. In: Nekoogar, F. (eds) Quantum Physics, Mini Black Holes, and the Multiverse . Multiversal Journeys. Springer, Cham. https://doi.org/10.1007/978-3-319-41709-7_12
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DOI: https://doi.org/10.1007/978-3-319-41709-7_12
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