Sensing City

Numerous smart-city schemes have run into delays, dialed down their ambitious goals, or priced out everyone except the super-wealthy. A new project in Toronto, called Quayside, is hoping to change that pattern of failures by rethinking an urban neighborhood from the ground up and rebuilding it around the latest digital technologies. Sensing City BreakthroughA Toronto …

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Artificial Embryos

In a breakthrough that redefines how life can be created, embryologists working at the University of Cambridge in the UK have grown realistic-looking mouse embryos using only stem cells. No egg. No sperm. Just cells plucked from another embryo. Artificial Embryos BreakthroughWithout using eggs or sperm cells, researchers have made embryo-like structures from stem cells …

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3-D Metal Printing

While 3-D printing has been around for decades, it has remained largely in the domain of hobbyists and designers producing one-off prototypes. And printing objects with anything other than plastics—in particular, metal—has been expensive and painfully slow. Now, however, it’s becoming cheap and easy enough to be a potentially practical way of manufacturing parts. If …

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