cross-posted from: https://reddthat.com/post/20260613
this post was submitted on 09 Jun 2024
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the water and the container would need to be very clean and the container would need to be very smooth and free of surface defects for that to happen. even microscopic cracks or scratches in glazing or glass can act as a highly effective starting point for boiling.
think scraping over the bottom of a glass with a spoon: that might be enough already to create those kinds of scratches.