36 points teleforce 3 hours ago 4 comments
voidnullvalue 2 hours ago | parent
For those who don't care to be held hostage by the journalist as he forces you through a long winded narrative: gold and silver nano particles are embedded into the glass
abainbridge 2 hours ago | parent
The ancient artefact described also featured in a Jonathon Blow lecture, as an example of an engineering skill we lost for 1600 years: https://youtu.be/ZSRHeXYDLko?t=402
HelloUsername 9 minutes ago | parent
Perhaps he saw it on hn that time https://news.ycombinator.com/item?id=19781608
gcanyon 57 minutes ago | parent
I wonder if the more accurate title might be: Scientists Discover How Ancient Romas Made Color-Changing Glass. Meaning that I've seen many examples of glass that appears different colors under different circumstances, but apparently none that worked the way this cup does.