Tag: fluid mechanics

Current Event Connection, Main

A Dolphin’s Speed Is All in the Hips

SCIENCE Believe it or not, how dolphins can swim so fast has been something of a riddle since the 1930s. Now, thanks to innovative experiments using “bubble curtains,” we know the marine mammals use their powerful tails to propel them around the turbulent sea. (National Geographic News) Use our resources to better understand animals’ unique marine adaptations. Discussion Ideas Read through our activity “Animal Adaptations … Continue reading A Dolphin’s Speed Is All in the Hips

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Current Event Connection, Main

Tiny Drone Flies Like a Jellyfish

TECHNOLOGY The latest tiny robot may not be sleek or stylish, but it’s certainly a departure from the usual flying robot design. (National Geographic News) Use our resources to understand how nature can inspire engineers—a process called biomimicry. Discussion Ideas What is a vortex, or vortex ring? What do vortices have to do with how a jelly moves? Read the middle section of the Nat … Continue reading Tiny Drone Flies Like a Jellyfish

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