Driving upside down might be easier than it seems
Channel: Tech World
Date: 27/06/2020

The question of whether a car can drive upside down—along the roof of a tunnel, for example—has fascinated engineers and driving enthusiasts for decades. The trick is certainly possible in certain circumstances, and there are numerous analyses exploring the various forces involved. Indeed, students are often asked to calculate these forces as an exercise.

So it’s easy to imagine that the question has been thoroughly explored; that there can be no new method of solving the challenge. Not quite.

Today, Fernando Dall’Agnol and colleagues at the Federal University of Santa Catarina in Brazil have discovered an entirely new way to think about this problem that has somehow been overlooked until now. “This solution is mathematically uncomplicated, yet it has not been depicted in the literature; not even in movies or games,” they say.

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