A nearby city is replacing its sewer mains. They’re excavating entire roadways by employing all the backhoes, bulldozers, bucket loaders, dump trucks and cranes you can squeeze into a residential neighborhood. Between the deep chasms and lumbering vehicles, it’s quite the event. Yet, despite all the screeching, scraping, thumping, and rumbling about, what caught my […]

When I was nine, my father built a giant sieve to separate stones from the soil. He wanted a lawn back where the yard was still piles of rubble from a construction project. At dinner that night he asked me to help him shovel one of the piles through the sieve. At nine, my idea […]

Let’s say I’m standing in waist-deep water off Chicago’s Foster Beach with a box of strike anywhere matches in my hand. If I light a match and dip it into the water, what will happen? Yes, it will go out. And if I did the same with a second match, it would also go out. Even […]