Spookier action

One of the downsides of being a layperson rather than a scientist (and I very much consider myself to be the former, despite having been a science teacher for over three decades) is that my understanding is hampered simply because it's impossible to know all the details of research by people who are way smarter than I am.

This is worst in completely counter-intuitive disciplines like quantum physics.

That doesn't prevent me from being really interested in all this stuff.  I was just discussing quantum entanglement with a dear friend a couple of days ago (as one does), and his question was, "Could you use it to communicate information?"  On the surface, it seems like it should be possible, right?

It's not -- at least as far as our current understanding goes.  But the reason isn't obvious on first glance.  In entanglement, a pair of particles is created which can be described by a single wave function; this means that their states are correlated, and knowing the state of one of them automatically tells you the state of the other, regardless of how far apart they are.  Let's say you and I create an entangled pair that has a net spin of zero.  You take your particle to Tokyo and I take mine to Lisbon.  Then you measure yours, and find it has a spin axis pointing upward.  I know immediately that if I measure mine, it will have a spin axis pointing downward.

Graph of the wave function of a single particle [Image is in the Public Domain]

So far, it seems like, "what's so weird about that?"  It doesn't seem any more remarkable than having a matched pair of gloves each in its own sealed box, and if you open your box in Tokyo and find it's a left-handed glove, mine in Lisbon has to be a right-handed glove.  The reality of the particles is weirder -- the members of the entangled pair are neither spin-up nor spin-down until they're measured, but in a state of superposition -- existing in a field of probabilities of both states at the same time.  Only once one of them is measured does it lock in to a particular state, and that measurement is what locks in the other particle simultaneously -- something Einstein famously called "spooky action at a distance."

Okay, so why couldn't that be used for communication?  The reason is rather subtle.  Let's say you want to communicate something simple, something that can be answered "yes" or "no."  So you and I take the two particles in our entangled pair to Tokyo and Lisbon, respectively.  We agree ahead of time that once you get there, you are going to go outside to see if it's a clear day and whether you can see Mount Fuji.  If you can, you will force your particle into a spin-up state; won't that force mine into a spin-down state, thus communicating the information to me instantaneously, thousands of miles away?

The answer is no.  The reason is, you didn't just measure your particle's state, you changed it.  And this breaks the entanglement.  The moment you do anything to alter the state of your particle, it decouples it from mine, and my particle now has a 50/50 chance of being spin-up or spin-down; it's no longer affected by what happens to yours.  Every kind of information transfer known requires changing the state of the particles you're using to carry the information, and that transfer can only travel at the speed of light or slower.

So it seems like the faster-than-light "subspace communication" used in Star Trek is impossible, right?

Well... maybe.

This is where I skate out over very thin ice, because what got all this started (besides the conversation with my friend) was a paper last week in Quantum Science and Technology which -- if I'm reading it right, and I might well not be -- suggests that there might be a way around this, by sending information (1) without using particles, and (2) by having the information go directly from sender to receiver without traveling through the intervening space.

If you're thinking, "That sounds like a wormhole" -- exactly.  Hatim Salih, of the University of Bristol, says he's found a way to create a "traversable wormhole" that could transfer quantum information instantaneously.

Salih calls this even-spookier-action-at-a-distance counterportation.  "Here’s the sharp distinction," he said in a news release.  "While counterportation achieves the end goal of teleportation, namely disembodied transport, it remarkably does so without any detectable information carriers traveling across.  If counterportation is to be realized, an entirely new type of quantum computer has to be built: an exchange-free one, where communicating parties exchange no particles.  By contrast to large-scale quantum computers that promise remarkable speed-ups, which no one yet knows how to build, the promise of exchange-free quantum computers of even the smallest scale is to make seemingly impossible tasks – such as counterportation – possible, by incorporating space in a fundamental way alongside time."

"We experience a classical world which is actually built from quantum objects," said John Rarity, Salih's colleague at the University of Bristol.  "The proposed experiment can reveal this underlying quantum nature showing that entirely separate quantum particles can be correlated without ever interacting.  This correlation at a distance can then be used to transport quantum information (qbits) from one location to another without a particle having to traverse the space, creating what could be called a traversable wormhole."

Okay... that's just nifty, but... but... Einstein?  Speed of light?  How do you avoid the paradoxes that come with faster-than-light information transfer?

Maybe there's something I'm not understanding, here.  All right, to be fair, I'm sure there's a gazillion things I'm not understanding, here.  Cf. my aforementioned layperson status.  But it sure seems like if you can do this, you're talking about something that would break the cosmic speed limit for information transfer, and shake physics down to its roots.

Much as I'd love to see the world of Star Trek realized, I'm pretty certain that I'm missing something critical, and this isn't going to turn out to be what it sounds like.  There's probably some subtlety -- like the measuring-versus-changing distinction in entanglement -- that isn't apparent.

What that might be, however, escapes me.  If any physicists read this post, do enlighten me.  While I don't relish the idea of my hopes being dashed, I'm virtually certain they will be.  And as Carl Sagan so trenchantly put it, "For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring."

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ConCERNing Osiris

Many of you undoubtedly know about CERN (Conseil Européen pour la Recherche Nucléaire), the world's largest particle physics laboratory, located on the border of France and Switzerland.  It's home to six particle accelerators and some of the most impressive discoveries in subatomic and high-energy physics in the world, including last year's demonstration of the existence of the elusive Higgs field, the field that confers the property of mass to every bit of matter in the universe.

Pretty impressive stuff, and most of it over my head even given my bachelor's degree in physics.

Now, switch gears for a moment.  You'll see why in a bit.

Many of you undoubtedly also know about Osiris, the ancient Egyptian god of the dead, although perhaps not the same ones who knew about CERN.  Osiris was one of the most important gods in ancient Egypt, given their fixation on the afterlife.  Unlike his fellow deities, who had animals' heads, Osiris looked pretty much like an ordinary guy, except that he had green skin.

Osiris became the god of rebirth when he was killed by his brother Set, who chopped his body up and threw it into the Nile river.  Osiris's wife Isis found her husband, in chunks, and sort of stuck the chunks back together and brought him back to life, only to find out afterwards that there was a chunk missing.  Unfortunately for Osiris, that chunk turned out to be a body part that most of us males are pretty fond of, if you get my drift.  Understandably upset at his wife for not finding a fairly important bit of him, he convinced Isis to make him a new one out of gold, which strikes me as a pretty poor substitute, all things considered.  But it must have worked, because soon after Isis gave birth to the god Horus, who looked just like his parents hoped except for the possible problem of having a falcon's head.

Then Osiris died again.  Poor guy just couldn't catch a break.

Now, by this time you're probably wondering what CERN and Osiris can possibly have to do with one another.  So let me explain.  CERN, you see, isn't just a place where physicists go to conduct complex and far-reaching experiments about the subtle structure of matter; it is actually a portal whose chief purpose is to create a wormhole, which will allow Osiris to be raised from the dead.

Again.  Hopefully they'll remember to bring along his penis this time.

Don't believe me?  Take a look at this article over at UFO Sightings Hotspot, called "Ta-Wer AKA Osiris AKA CERN."  Here's the main argument, if I can dignify it by that name:

According to researcher William Henry, the ancient Egyptian object named Ta-Wer aka “Osiris” device, was a stargate machine capable to open wormholes or dimensional openings used by Seth and Osiris to “travel across the underworld.”Is CERN the new “Osiris Ta-Wer”? A modern stargate machine based on ancient technology?

When work at CERN's Large Hadron Collider is completed in 2015, the collider should have twice the power and be able to help unlock more of the universe's mysteries and to explore an entirely new realm of physics.

With the LHC power doubled, they will start looking for what they think is out there and they hope that something will turn up that no one had ever thought of.

It is known that the secret societies are obsessed with the raising of Osiris and maybe they already know what they are looking for and was the placement of a Shiva Statue outside the CERN Hadron Collider a hint?

Sure.  Because a green-skinned Egyptian god and a multi-armed Hindu god are clearly the same guy.  But do go on:

According to Stephen Hawking: “ bending space-time is theoretically possible— by exploiting black holes, or wormholes if they exist, or by traveling at super speeds, based on Einstein’s theory of relativity.”

Although many people believe that time travel is science fiction, it is not, and taking into account the obsession of the illuminati to use CERN as a stargate machine, it may be possible in the near future, we will face God’s miracles as seen by the ancient Hindu people when their Gods travelling through stargate devices. 

You know, if I were Stephen Hawking, I would be really pissed at the way nutjobs use quotes from legitimate research, lectures, and interviews to support their bizarre ideas.  These guys cherry-pick almost as much as the fundamentalist Christians do.  And at least the evangelical Christians basically understand the stuff they're reading.  With articles like this one, though, you get the impression that the folks that write this sort of woo-woo horse waste have about as much actual comprehension of quantum mechanics as my dog.

They end, though, with a question:

Is there some occult ritual being carried within the LHC facility and is Shiva the one they are attempting to bring to Earth?

No and no.  Thanks for asking.  And once again, Shiva and Osiris aren't the same dude.  By no stretch of the imagination is a three-eyed, eight-armed dude wearing a necklace of skulls even remotely like a green-skinned bearded dude with a missing wang.  Are we clear on that now?

 And CERN has nothing to do with gods of any kind.  They do physics there.  End of story.

It's a regrettable tendency on the part of a lot of people to hear bits and pieces of stuff they don't understand, combine it with other stuff they only partially understand, and come to drastically wrong conclusions.  The cure, of course, is to try and find out a little about the actual facts, to learn some real science, but that, unfortunately, is a level of hard work that some people are unwilling to undertake.  So we haven't seen the end of this kind of thing.

Woo-woo wingnuttery, it seems, will be with us always, sort of like death and taxes but even more annoying.