17 In the 18th century, the Imperial Treasury of Vienna attested that this was a real demon which had been trapped in glass during an exorcism in Germany a century earlier. (links in comments) (i.4cdn.org) posted 2 years ago by glownigger8675309 2 years ago by glownigger8675309 +17 / -0 16 comments share 16 comments share save hide report block hide replies
glass also does fun things to light, so perhaps there's a quality that allows it to interact with vibrations other than or adjacent to ours.