My colleagues and I are studying something called augmented reality (a field of computer research dealing with the combination of real-world and virtual reality)," said Christopher Dede, professor in learning technologies at Harvard University, "Alien Contact," for example, is an exercise developed for middle-school students who use hand-held devices that can determine their location.
出自-2013年6月阅读原文
Because so many of our modern technologies and services depend on oil, nations, corporations, and institutions that control the trade in oil exercise extraordinary power
出自-2013年6月阅读原文
The space dreamers end up benefiting all of us—not just because of the way they expand human knowledge, or because of the spin-off technologies they produce, but because the two types of dreams feed off each other.
出自-2013年12月阅读原文