Though it's been around for three decades, 3-D printing has finally started to take off for manufacturing and even for regular consumers. It's being used for making airplane parts on demand and letting kids make their own toys. One designer is pushing the limits of 3-D printing by using it to make an acoustic guitar.
Author Robin Sloan has spent time on both sides of the digital divide, both as a short-story writer and an employee at Twitter — where he described his job as "something to do with figuring out the future of media."
On her 22nd birthday this summer, Sarah Wagner of suburban Wheaton, Ill., who describes herself as a huge fan of the Chicago Cubs, opened an email to find an incredible surprise — a recorded message from her favorite Cubs player:
"Hey, Sarah! Kerry Wood here! Thanks for your message and I hope you're having a great summer!"
"When I heard for the first time, I instantly smiled," says Wagner. "I think my hands probably went over like my mouth, like, 'Oh my gosh, Kerry Wood is talking to me, even though he has no idea who I am!' "
After failing to predict the Arab Spring, intelligence officials are now exploring whether Big Data, the combing of billions of pieces of disparate electronic information, can help them identify hot spots before they explode. The intelligence community has always been in the business of forecasting the future. The question is whether tapping into publicly available data — Twitter and news feeds and blogs among other things — can help them do that faster and more precisely.