Port Manteaux churns out silly new words when you feed it an idea or two. Enter a word (or two) above and you'll get back a bunch of portmanteaux created by jamming together words that are conceptually related to your inputs.
Asbestos is a set of six naturally occurring silicate minerals, which all have in common their eponymous asbestiform habit: i.e. long (roughly 1:20 aspect ratio), thin fibrous crystals, with each visible fiber composed of millions of microscopic "fibrils" that can be released by abrasion and other processes.
While the prior page was more about colonization motivation and methods, this page is more about good planets, hell-hole planets, scouting good planets, and changing hell-hole planets into good planets.
A time line from before writing began to the present, linked to Andrew Roberts' book Social Science History and to other resources.
Mining in space will make sense only once we've committed to building *something else* in space. The greatest value-add to space-mined resources is that they're out of the gravity well already.
Quiz Questions on Famous Scientists, Great Experiments, Latest Science News, Science History, Health and Medicine, Nature, Animals and Plants, and more
-*+Everyday Science Notes _____ Introduction 1-Nature of Science; 2-Brief History of Science with special reference to contribution of Muslims in the evolution and
Collection of weekly news and commentaries from John Betts, lecturer, author, photographer, mineral collector, and mineral dealer. Practical everyday advice for mineral collectors on building and organizing mineral collections.
Types. Rock and slag wool.Usually made from rock (basalt, diabase) or iron ore blast furnace slag. Some rock wool contains recycled glass. Nonflammable.