World’s Strangest

Your source for the strangest things around!

The Physics of a Washboard Road

Do you ever drive on roads that feel like you’re driving on a washboard? When I visit northern Minnesota, I always encounter a road that in midsummer becomes classically “washboard.” The county sends out a road grader to smooth it and give it a new crown, and a few weeks later it’s a washboard again. Minnesotastan looked [...]