Serious Learning
A Homeschooling Adventure

The Physics of the Familiar

Paint often wrinkles—but sometimes it cracks. This seems odd, he points out, because in wrinkling, things are pushed together, whereas cracks form when things are pulled apart. What accounts for these antithetical behaviors?

Read about the science of drying paint, elephant wrinkles, fluttering flags and more in this article from Harvard Magazine.

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