His greatest obsession began with a janitor. Late one night, Leif was trying to calibrate a wind tunnel when the building’s custodian, a man named Earl, wheeled his cart past the lab.
“A vortex,” Earl said. “When water goes down a drain, it spins. Air does the same thing. Your machine is flying into its own dirty bathwater.” leif ristroph
“No,” he said.
Leif froze. “A hole?”
And he walked out of the office, leaving the check on the table, already planning his next experiment in the beautiful, messy jungle of the real world. His greatest obsession began with a janitor
Years later, a billionaire from Silicon Valley visited the lab. He offered Leif millions to build a silent drone based on the vortex physics Leif had mapped. “When water goes down a drain, it spins
His most famous trick involved a kiddie pool, a leaf blower, and a thousand plastic ping-pong balls. He wanted to understand how seeds disperse in a hurricane. While a visiting mathematician droned on about Navier-Stokes equations, Leif fired up the blower. The balls exploded into a swirling galaxy, and Leif waded into the storm, laughing like a kid in a snow globe.