The invention of mirrors and why they matter

All the way back to 6200 BC, and probably before that, humans made mirrors. In Turkey, they polished obsidian; in Egypt, copper. Over at Smithsonian, Clive Thompson, a regular Boing Boing contributor, explores the technological and cultural history of the mirror. — Read the rest



from Boing Boing https://ift.tt/3pFFoOz
via IFTTT
Share on Google Plus

About Unknown

This is a short description in the author block about the author. You edit it by entering text in the "Biographical Info" field in the user admin panel.
    Blogger Comment
    Facebook Comment

0 comments:

Post a Comment