When I saw this toy, I had to get it. And so far I’ve probably spent more time playing with it than my son.

Look closely and you’ll see that the rigid wooden struts are joined only by the elastic strings, not to each other. What’s amazing is that however you squash it, it always regains its shape.

It’s an example of a tensegrity structure, a term coined by Buckminster Fuller to describe the structures designed by Kenneth Snelson.

Donald Ingber has championed the idea that many biological structures, including the intricate cytoskeletons of our cells, are tensegrity structures. More at New Scientist.



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