To take full part in modern society in a meaningful and useful way, every Adult must understand the meaning of a given word in the context under discussion. The word range, for instance, can refer to mountains, a list of numbers, or to a set of frequencies, among other things. The fact that the same word can have different meanings, even though sometimes subtly different, makes the learning of mathematical and scientific language crucial to the shared decision-making that every adult citizen in a republic agrees to take part in, and thus to continue the responsibility to keep learning, as part of responsible Adulting.
Today’s reading uses the mathematical meaning of range to define large and small distances. (Vice versa, actually):
“ Visible light has a wavelength range from ~400 nm to ~700 nm. Violet light has a wavelength of … Visible light makes up just a small part of…
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