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Mesmerizing Zapruder-esque footage that seems to show a woman talking on a mobile phone at the 1928 premiere of a Charlie Chaplin film at Mann’s Chinese Theatre.
According to this guy, the simplest explanation is that the woman is a time traveller. Stick that in your Occam’s razor and shave it! (via geekologie)
[I would] grab all the modern technology I could find, take it to the late 70’s, superficially redesign it all to blend in, start a consumer electronics company to unleash it upon the world, then sit back as I rake in billions, trillions, or even millions of dollars.
Fantastic. Much more here. (via df)
According to Stephen Hawking, there are three good ways to do it.
If we want to travel into the future, we just need to go fast. Really fast. And I think the only way we’re ever likely to do that is by going into space. The fastest manned vehicle in history was Apollo 10. It reached 25,000mph. But to travel in time we’ll have to go more than 2,000 times faster. And to do that we’d need a much bigger ship, a truly enormous machine. The ship would have to be big enough to carry a huge amount of fuel, enough to accelerate it to nearly the speed of light. Getting to just beneath the cosmic speed limit would require six whole years at full power.
Are the problems that have plagued the Large Hadron Collider and previous high-energy efforts (SSC, I’m looking at you here) a result of the Higgs boson travelling back from the future to meddle in its own discovery? A pair of scientists think it’s a possibility.
“It must be our prediction that all Higgs producing machines shall have bad luck,” Dr. Nielsen said in an e-mail message. In an unpublished essay, Dr. Nielson said of the theory, “Well, one could even almost say that we have a model for God.” It is their guess, he went on, “that He rather hates Higgs particles, and attempts to avoid them.”
This malign influence from the future, they argue, could explain why the United States Superconducting Supercollider, also designed to find the Higgs, was canceled in 1993 after billions of dollars had already been spent, an event so unlikely that Dr. Nielsen calls it an “anti-miracle.”
That’s heavy, Doc.
Update: Bread from the future halted operation of the LHC again.
As stated previously, I love this kind of thing:
If you were to travel 2000 years into the past, how useful would you be in jumpstarting technological advancements? This 10 question quiz will help you figure out your technological usefulness.
I got a 6/10, which is probably more than I deserved…the invention of “new” technologies is not multiple choice. I wouldn’t have the faintest clue where to begin in actually making concrete or steel from scratch. (via ettagirl)
Update: Phew, I’ll just wear this shirt when I go back. (thx, runyon)
Sean Carroll lays out the rules for time travel for movies (but also more generally) based on our current understanding of physics.
1. Traveling into the future is easy. We travel into the future all the time, at a fixed rate: one second per second. Stick around, you’ll be in the future soon enough. You can even get there faster than usual, by decreasing the amount of time you experience elapsing with respect to the rest of the world — either by low-tech ways like freezing yourself, or by taking advantage of the laws of special relativity and zipping around near the speed of light. (Remember we’re talking about what is possible according to the laws of physics here, not what is plausible or technologically feasible.) It’s coming back that’s hard.
I spend far too much of my life daydreaming about scenarios like this:
I wanted to ask for survival tips in case I am unexpectedly transported to a random location in Europe (say for instance current France/Benelux/Germany) in the year 1000 AD (plus or minus 200 years). I assume that such transportation would leave me with what I am wearing, what I know, and nothing else. Any advice would help.
To which Tyler Cowen replies:
Find someone who will take care of you for a few days or weeks and then look for employment in the local church. Your marginal product is quite low, even once you have learned the local language. You might think that knowing economics, or perhaps quantum mechanics, will do you some good but in reality people won’t even think your jokes are funny. Even if you can prove Euler’s Theorem from memory no one will understand your notation. I hope you have a strong back and an up to date smallpox vaccination.
The comments are full of informative and entertaining options. I side with the commenters who feel that the most likely outcome is death within a few days. Unless you’re skilled at wilderness survival, finding edible food, shelter, and potable water in a time when those things were much more scarce than now will prove difficult. If you do manage to survive, maybe you could set up shop selling goods that people could use:
I’d start a shop that did nothing but boil water and then sell it. I’d market it as “de-spirited” water and sell it to midwives, priests, doctors - anyone who would be charged with the health of another. The boiled, micro-organism free water would dramatically improve the health outcomes for anyone with cholera or plague or infection. Even marginally better outcomes using clean water would bolster my reputation and business. Of course, barriers to entry would be pretty low in my business, but if I were widely copied, I’d start a health revolution. For that quantum timeline anyway.
Again, assuming you survive, other commenters suggest that you “invent” something, sell it, and become rich so that your wealth will insulate you from further problems, stuff like gunpowder, mass production, long bows, guns, soap, steel, the printing press, double-entry accounting, whiskey, capitalism, and hot air balloons. I’m skeptical of this approach…how many people living in the US know how to make gunpowder from scratch? Given enough time, I guess I could build a hot air balloon that actually flies and carries human passengers but anything involving chemistry would prove tougher.
How would you survive if suddenly transported back to 1000 AD? Leave your suggestions for survival in the comments.
Temporal anomalies in time travel movies, an investigation of how time travel is represented in movies like Donnie Darko, 12 Monkeys, and Back to the Future. (via joshua)
Intro for Voyagers, a TV show from the 80s about time-travelling do-gooders. I loved this show when I was a kid, but it seems to have not aged well. (via cyn-c)
Spielberg’s new film…a wormhole movie based on the work of Kip Thorne?
I know I’m going to get mail about my five-star rating for this movie, but it cannot be helped. One summer when I was a kid, a friend and I watched Bill and Ted’s Excellent Adventure — no joke — every single day for a span of 2 months. I still know every line by heart, the timing, inflection, everything. If there were a Broadway production of this movie, I could slide effortlessly into the role of either Bill S. Preston, Esq. or Ted Theodore Logan, no rehearsal needed.
In my high school physics class my senior year, we had to do a report on something we hadn’t learned about in class — which, I discovered when I got to college, was a lot — and I did mine on time travel. I went to our small school library and read articles in Discover and Scientific American magazines about Stephen Hawking, Kip Thorne, quantum mechanics, causality, and wormholes. To illustrate the bit about wormholes, I brought in my well-worn VHS tape of Bill and Ted’s (a dub of a long-ago video rental) and showed a short clip of the phone booth travelling through space and time via wormhole. I got a B+ on my presentation. The teacher told me it was excellent but marked me down because it was “over the heads” of everyone in the class…which I thought was completely unfair. How on earth is Bill and Ted’s Excellent Adventure over anyone’s head?
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