What the heck is a foundation and why do all structures need one?
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If all the earth was solid rock, life would be a lot simpler, but maybe a lot less interesting too. It is both a gravitational necessity and a source of job stability to structural and geotechnical engineers that all construction - great and small - sits upon the ground. And the ways in which we accomplish such a seemingly unexceptional feat are full of fascinating and unexpected details.

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