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Biology

The Mechanics of Jet Propulsion in Cephalopods

Quick fact

Squid can accelerate from rest to over 8 meters per second in just a few tenths of a second, using jet propulsion—comparable to a human sprinter accelerating to top speed in a single stride.

Why this is interesting

Imagine shooting through water without fins or flippers—just by taking a gulp of water and forcing it out in a burst. That's exactly how squids and octopuses zoom around. How does a soft-bodied animal manage such high-speed movement?

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The Mechanics of Jet Propulsion in Cephalopods

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