WARNING: MASSIVE SPOILERS TO COME. If you haven't yet seen Looper, then you shouldn't be here. And, if possible, you should travel back to the start of the weekend and tell your past self to catch the next showing. It lost the...

As you contemplate buying your first hybrid/flex fuel/wind-powered car, the one thing you're probably asking yourself (other than, "Is this the only way to assuage my carbon footprint guilt?") is, "Where are all the flying cars and jetpacks already?"

Well, ask no more, fledgling futurist: we have been to the...

So you're interested in time travel. Think you can just strap a flux capacitor to your back, get struck by lightning, and become a knight of King Arthur's court before suppertime? Think again.

Time travel is no simple endeavor. Just because you have plutonium, a sweet car from the 1980s...