Urbee 2, the 3D

Popular MechanicsUrbee 2, the 3D-Printed Car That Will Drive Across the CountryPopular MechanicsIn early 1903, physician and car enthusiast Horatio Nelson Jackson accepted a $50 bet that he could not cross the United States by car. Just a few weeks later, on May 23, he and mechanic Sewall K. Crocker climbed into a 20-hp Winton in San Francisco ...