High speed trains will cross the states in the upcoming decades, but at slower speeds than China's trains
By Katherine BagleyPosted 04.11.2011 at 1:03 pm 0 Comments
Last December, a prototype passenger train traveling between Shanghai and Beijing reached 302 mph, breaking the speed record for unmodified commercial-use high-speed rail. The feat, a culmination of six years of development by CSR Sifang Locomotive & Rolling Stock, was an example of the revolution quietly transforming rail.
The new Hawk-Eye Tennis Officiating System is bringing high drama and high tech to the tradition-bound tournament
By Jackson LynchPosted 09.06.2006 at 2:00 am 0 Comments
For a closer look at how the Hawk-Eye works, launch the photo gallery by clicking 'View Photos' at left.
Its accuracy may be based on a complex computer-generated algorithm, but the Hawk-Eye Tennis Officiating System is ratcheting up the human drama at this year's U.S. Open. Rather than simply relying on officials to make line calls, the entire crowd now acts as referee, hollering "Challenge!" after controversial judgements.