schelp
Snails, turtles, hermit crabs: all living things with shells. But an empty shell sometimes appears to be alive too — like when you hold it up to your ear and hear the echo of the ocean. It’s an illusion, of course: the shell is nothing more than an acoustic filter, transforming the sounds around you into a mimicry of waves crashing on a beach. Reality is not always what it seems. After all, that shiny, new shell you picked up on the beach? Chances are that it’s a million-year-old fossil.
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Playing with mathematics
Maths is really everywhere. Make a whirlpool and build your own bridge. Discover what sound looks like and play with perspective like an art...
Planktonium
Museum De Lakenhal shows planktonium by Jan van Ijken: a magical art film about the life of plankton.
