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.
The element beryllium is solid at room temperature and is slate gray in color, according to the Los Alamos Labor Chemistry Division. On the periodic table of elements, beryllium is represented as Be.Source...http://www.qacollections.com/What-is-the-color-of-beryllium.he element beryllium is solid at room temperature and is slate gray in color, according to the Los Alamos Labor Chemistry Division. On the periodic table of elements, beryllium is represented as Be.Source... http://www.qacollections.com/What-is-the-color-of-beryllium.