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Detlef Lohse: 2 ideas worth knowing

2 ideas from Detlef Lohse, each explained in a minute and credited to the original work. Free on Savvy.

• A shrimp's claw snap creates a bubble that briefly flashes with light

  The pistol shrimp's oversized claw snaps shut so fast it fires a jet of water that collapses into a cavitation bubble, loud enough to stun or kill small prey. As the bubble collaps…

  — Michel Versluis, Barbara Schmitz, Detlef Lohse et al., How Snapping Shrimp Snap: Through Cavitating Bubbles

• A shrimp smaller than your thumb can snap a bubble louder than a gunshot

  A pistol shrimp's oversized claw snaps shut so fast it fires a jet of water that collapses into a cavitation bubble, producing a sound that can briefly exceed 200 decibels, loud en…

  — Detlef Lohse et al., Snapping Shrimp Make Flashing Bubbles

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