I'm fascinated by Prince Rupert's Drops, those super strong blobs of glass that look like tadpoles. We've written about them in the past here at Boing Boing, but I thought I'd share some newer videos ...
The drops of glass made in this video have several very interesting characteristics. On the one hand, they can survive very strong impact from the side, but when the tail is snapped off they fracture ...
When volcanic eruptions involve interaction with external water (hydrovolcanism), the result is an ash-rich and energetic volcanic plume, as illustrated dramatically by the January 2022 Tonga eruption ...