Who cares about the Beatles on iTunes? The real news Tuesday is that Google Voice has finally arrived, officially, as an iPhone app.

Apple refused to allow the app, which serves as a de facto replacement dialer and SMS client, from joining its app store in the summer of 2009,

It took six months, but the Defense Advanced Research Projects Agency finally has a handle on what caused its hypersonic weapon prototype to “terminate” itself over the Pacific Ocean back in April. The findings have paved the way for a fresh round of tests for the Mach-20 flier, potentially leading to a new class of superfast