The strange behavior of Tabby’s Star, or KIC 8462852, has inspired modern astronomy’s wildest guessing game, with explanations ranging from aliens to sunspots. Writer Stephen Petranek got Tabby herself to assess the competing ideas.Continue reading
Stephen Petranek untangles emerging technologies to predict which will become fixtures of our future lives — and which could potentially save them.
Why you should listenWriter and technologist Stephen Petranek became a reluctant doomsayer when his earliest TED Talk (“10 ways the world could end”) racked up 1.5 million views. But Petranek is in fact an optimist who believes that humanity will escape its predicaments -- literally. Within a century, he predicts that humans will have established a city of 80,000 on Mars: and that not only is that plausible, but it’s also inevitable.
Petranek is the editor-in-chief of the Breakthrough Technology Alert, a technology newsletter that ties scientific breakthroughs to investment opportunities. He's the author of the TED Book How We'll Live on Mars.
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People are obsessed with Mars. But ... why? Two confessed super-fans, Andy Weir, author of "The Martian," and Stephen Petranek, author of "How We'll Live on Mars," share thoughts on why being Mars-mad is a reasonable state of mind.Continue reading