From Mark Twain and H.G. Wells in the 19th century to Stephens King, Hawking and Moffat in the early 21st century, time travel has long captivated the sci-fi pop culture mind. What if we could go back? What if we could go forward? What if I devote myself to study the other great mystery of the universe: women!

There are a lot of different theoretical options for time travel, and most involve the Theory of Relativity and traveling at the speed of light. Basically, you travel one light year out, one light year back, at the speed of light, two years would pass for everyone, you're still unaged. You traveled into the future, so to speak.

But now a team of scientists have sent a photon of light BACK in time, or at least simulated the possibility. You can read the full report out of the University of Queensland Australia here, but what it all comes down to is that a photon was sent back in time to trigger the mechanism that sent it back in time. It's a closed loop involving wormholes. Like a light activated motion sensor, that's activated by the lights that the sensor turns on when it detects light.

It's still just a photon, and still super super experimental. But, we're one step closer to flying DeLoreans. And isn't that what the true meaning of life is? I don't know. Probably. I don't see why we can't give it a go and find out.

But with any scientific finding... the cautionary words of Dr. Ian Malcolm bear repeating:

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