Shenzhen’s 7‑Eleven shops are about to deliver their beverages and snacks by robots that commute on the subway. On Monday, the southern Chinese megacity launched a fleet of 41 autonomous delivery bots that board trains during off‑peak hours, exit at …

World’s first: Penguin-like delivery robot fleet rides trains to courier goods in China Read more »

When trains longer than 3,800 feet go around the Tehachapi Loop, they literally pass over themselves. This engineering marvel was the crowning achievement of William Hood, completed in 1876 using nothing but hand tools and blasting powder. Today, 36 freight …

California’s impossible railroad loop where freight trains cross 70+ feet above their own rear cars Read more »