I have no idea what happened.
My back was to the stove and I heard this BANG! I finished what I was doing, then turned around to see this:
It kept making cracking noises, and I’d swear that I saw a few cracks form as I watched it. I did, carefully, pick up the lid: the glass didn’t scatter.
Kinda bummed about it—I use that pot a lot, and I like a glass lid—but I have to admit, it also looks cool.
And that the glass, shattered, nonetheless remains intact within the ring? Very cool.
AbsurdBeats 
Ghosts…
or cats.
Hey, you’re the science guy: I’m sure you can explain the physics of non-scattering shattering.
[…] one of the pots I bought was a Calphalon, and it was that lid which shattered a few weeks ago. Given that Calphalon is a fairly high-end product, I thought I’d check if […]