On: Light Waves Brought to a Stop in a Crystal Promise...

[qup]

Well, given that I just read this story a couple days ago, I cannot miss the connection:

https://www.physics.utoronto.ca/~jharlow/slowglass.htm

It's about a 5-minute sci-fi read, incredibly on-topic, written in the 60s.

[stinkyball → qup]

Thankyou, great story :)