- Sun Sep 01, 2013 6:10 pm
#370580
The British Museum has a a 1,600-year-old Roman chalice that becomes a different color depending on which direction the light comes from. No one knew why until scientists got a good look at the way the glass was made.
http://www.neatorama.com/2013/09/01/The ... -Pioneers/
The British Museum has a a 1,600-year-old Roman chalice that becomes a different color depending on which direction the light comes from. No one knew why until scientists got a good look at the way the glass was made.
http://www.neatorama.com/2013/09/01/The ... -Pioneers/