The Poet Bernoulli

I asked my husband, who’s a physicist and a pilot, how airplanes stay up in the air.  A question like that makes him happy.  “It’s the wings,” he said,  “They provide lift.”  “What’s lift?” I said.  “It’s Bernoulli,” he said. “The faster air moves, the lower its pressure. ”  I’m used to these answers that are […]