Patriotism will shine this Independence Day week on Pacific Park’s Ferris wheel. What is dubbed the world’s only solar-powered Ferris wheel will have 174,000 LED lights forming a 90-foot, animated ...

This article was originally published with the title “ Daniel's Improved Water Wheel ” in Scientific American Magazine Vol. 13 No. 25 (February 1858), p. 196 doi:10.1038 ...

More than 100,000 parts went into Ferris’ wheel, notably an 89,320-pound axle that had to be hoisted onto two towers 140 feet in the air. Launched on June 21, 1893, it was a glorious success.