Tag: hydrodynamics

Classroom Ideas, Current Event Connection, Main

Amazing Metal Makes Water Bounce Like Magic

TECHNOLOGY Scientists have created a metal that is so extremely hydrophobic that water bounces on it as if it were repelled by a magic force field. Instead of using chemical coatings, the researchers used lasers to etch a nanostructure on the metal itself. (SPLOID) Use our activity to better understand the properties of matter at the nanoscale. Teachers, scroll down for a quick list of key resources … Continue reading Amazing Metal Makes Water Bounce Like Magic

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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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