To not care as a negative dismissal is attested from mid-13c. Phrase couldn't care less is from 1946; could care less in the same sense (with an understood negative) is from 1966. Care also figures in many similies of indifference in the form don't care a _____, with the blank filled by fig, pin, button, cent, straw, rush, point, farthing, snap, etc., etc.
Beryllium metal is used in the aerospace and defense industries to make lightweight precision instruments. The mirrors of the Spitzer Space Telescope and the James Webb Space Telescope (JWST), which is scheduled for launch in 2018, are made of beryllium.
Beryllium is a chemical element that has an atomic symbol of Be and atomic number of 4. Given its group on the periodic table, it is classified as an alkaline earth metal. This type of metal refers to elements that have the similar properties of being shiny and slightly reactive.acts About Beryllium. Fact #1: It is considered to be one of the lightest elements, in terms of weight. Fact #2: During the discovery of beryllium in the 1700s, it was first learned that the beryl mineral (when combined with emerald) produced a sweet-smelling substance.