borozon
1Quatermass and the Pit — Infobox Television show name = Quatermass and the Pit caption = The opening titles of Quatermass and the Pit . format = Science fiction thriller camera = Multi camera picture format = 405 line black and white runtime = Approx. 35 mins per episode …
2Borazon — Borazon, a boron nitride allotrope, is the fourth hardest substance, after aggregated diamond nanorods, ultrahard fullerite, and diamond, and the third hardest artificial material. Borazon is a crystal created by heating equal quantities of boron …
