Perhaps, MS Painted?

You're rather missing the point. The idea is to keep it on, and keep them using it, so that you CAN track it. Phones don't transmit when turned off.

Didn't Tennant's version of The Doctor put her in the Library system so she could be saved? That could mean that a future version of The Doctor (either later in Smith's run, or another) could have found a way to get her out of the Library. Yes, I know, that still shouldn't be possible, but ... what if it is?

I would almost say that looked like a beamline at the NIF where they were filming for a second. Beats a coal fired powerplant.

so did I miss what these "time crystals" are made of? and don't say time.

Davinci's Demons is on Starz, isn't it?

Aw, crap. This has hit the media. This paper is an utter mess. Note that it has NOT gone through the peer-review process, and has been essentially self-published. A few qualified academics have reviewed it on the site and have ripped it to shreds. As one put it, "This is a textbook example of how not to analyze…

When your theory makes a prediction that is wildly against the mainstream, that may mean you're about to make an astounding discovery. It also may mean your theory is wrong.

Another rec for Skeptic's Guide, but I'm more surprised at the lack of mention of Big Picture Science (formerly Are We Alone), produced by the SETI Institute and featuring SETI senior astronomer Seth Shostak. It's very professionally produced with a really fun format, is frequently hilarious (and failing that is…

K I don't want to be "that guy", but for an impact crater like that, there's no way that the original buildings would still be standing if they were that close to the edge; the shockwave would have flattened them beyond just the impact site. And no, they didn't just re-build them to the edge, otherwise all buildings…