As far as he knows, Bob Maddox of Medford is the only maker and marketer of valved pulse-jet engines in the world. And strapped to one of his customer's fat-tire bicycles, the ear-splitting, ...

Hobby inventor and several-time Guinness World Record holder Colin Furze has strapped a pulse jet to a rickety old bicycle. Why? Well, why not? Michelle Starr is CNET's science editor, and she hopes ...

The dry lake beds of Cedarville, California, are a place where physics and common sense go to die. It’s flat, desolate, and wide open—the perfect backdrop for Bob Maddox, a man who looks at bicycles ...