Today in Tech History – Apr. 29, 2014

20140404-073853.jpgIn 1882 – Ernst Werner von Siemens presented his “trackless trolley” called the “Elektromote” in a Berlin suburb. The system pulled electricity from overhead wires, but used road wheels instead of tracks.

In 1953 – KECA-TV, an ABC affiliate in Los Angeles, California, broadcast the first US experimental 3D-TV. An episode of Space Patrol required specially polarized glasses to watch.

In 2005 – Apple released Mac OS X 10.4 Tiger, introducing spotlight search and dashboard functionality.

MP3

Subscribe to the podcast. Like Tech History? Get Tom Merritt’s Chronology of Tech History at Merritt’s Books site.