Beijing is cracking down on social media following a dissident's escape, apparently to U.S. protection. Its response is markedly different from its handling of the scandalous downfall of once-powerful politician Bo Xilai, when rumors were allowed to fly.
A private company has unveiled plans to mine precious metals and water from nearby asteroids. Planetary Resources co-founder Eric Anderson discusses the various stages of the mining process and how the excavated minerals could impact future space exploration and innovation on Earth.
In The Idea Factory: Bell Labs and the Great Age of American Innovation, Jon Gertner writes of the legendary innovations developed at AT&T's Bell Labs, from lasers and transistors to solar cells and cell phones, and discusses how the lab became a hotbed for new ideas.
Mechanical engineer Maurizio Porfiri, of the Polytechnic Institute of New York University, designs robot fish. A few years ago, he found that real fish would mill about his aquatic robot, and now he's trying to understand why. His research suggests that it has less to do with how the robot looks, than how it makes fish feel.
Thanks to Twitter, Facebook, Skype, mobile phones, chat, instant messages and countless other tech advances, we're more connected than ever — theoretically, at least. But all too often, being totally wired leaves us oddly disconnected.
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