The final span in the new Interstate St. Anthony Falls 35W bridge in Minneapolis was to be put in the place this week just days before the one year anniversary on the Aug. 1 of the predecessor bridge’s tragic collapse into the Mississippi River. DN editor-in-chief John Dodge ventured back to the new bridge this week to shoot some photographs just as he did a week after former bridge collapsed last year, killing 13.
As it stands, the design build process will take 437 days with the new opening planned for Dec. 24 although there is talk of the grand opening taking place sooner. A rush was put on the $234 million bridge project to mitigate the estimated economic impact which the Minnesota DOT has pegged at $400,000 a day or $60 million until the new bridge is finished.
In this new Design News feature, "How it Works," we’re starting off by examining the inner workings of the electronic cigarette. While e-cigarettes seemed like a gimmick just two or three years ago, they’re catching fire -- so to speak. Sales topped $1 billion last year and are set to hit $10 billion by 2017. Cigarette companies are fighting back by buying up e-cigarette manufacturers.
Advertised as the "Most Powerful Tablet Under $100," the Kindle Fire HD 6 was too tempting for the team at iFixit to pass up. Join us to find out if inexpensive means cheap, irreparable, or just down right economical. It's teardown time!
The increased adoption of wireless technology for mission-critical applications has revved up the global market for dynamic electronic general purpose (GP) test equipment. As the link between cloud networks and devices -- smartphones, tablets, and notebooks -- results in more complex devices under test, the demand for radio frequency test equipment is starting to intensify.
Much of the research on lithium-ion batteries is focused on how to make the batteries charge more quickly and last longer than they currently do, work that would significantly improve the experience of mobile device users, as well EV and hybrid car drivers. Researchers in Singapore have come up with what seems like the best solution so far -- a battery that can recharge itself in mere minutes and has a potential lifespan of 20 years.
Some humanoid walking robots are also good at running, balancing, and coordinated movements in group settings. Several of our sports robots have won regional or worldwide acclaim in the RoboCup soccer World Cup, or FIRST Robotics competitions. Others include the world's first hockey-playing robot and a trash-talking Scrabble player.
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