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 an industrial metal with some attractive attributes. Itâs lighter than aluminum and 6x stronger than steel. Itâs usually combined with other metals and is a key component in the aerospace and electronics industries. Beryllium is also used in the production of nuclear weapons.With that, you may not be surprised to learn that beryllium is one of the most toxic elements in existence. Beryllium is a Class A EPA carcinogen and exposure can cause Chronic Beryllium Disease, an often fatal lung disease.eryllium is an industrial metal with some attractive attributes. Itâs lighter than aluminum and 6x stronger than steel. Itâs usually combined with other metals and is a key component in the aerospace and electronics industries. Beryllium is also used in the production of nuclear weapons.