Showing posts with label communication. Show all posts
Showing posts with label communication. Show all posts

Tuesday, March 11, 2014

What We Have Here...

...is a failure to communicate.

But it was entirely my fault.
The original post is here. You should probably take a look at it, because it's full of a bunch of pictures and actors and authors and stuff. Then, you can go here and find out what I was trying to communicate in that post.
Because it's the author's job to communicate in a way that his audience will understand, and I clearly didn't do that with the post in question.

So hop over to Indie Writers Monthly.

Thursday, April 26, 2012

The A to Z of Fiction to Reality: Xenobiology

This is one of those that I find really cool but still can't help thinking, "What the heck?" about.

I don't remember what book I was reading when I first came across the term xenobiology. It was definitely science fiction, and, although I want to say it was Asimov, it probably wasn't. One thing I am sure about, though, is that it was not The Star Beast by Robert Heinlein, since I haven't read that. That is, however, where the term originates. At the time, it meant "the study of alien life." Even before coming across the term in whatever book it was, there was some other book that several different friends had back in the '70s that was a book of art of what alien life might look like. I was kind of fascinated with the book, especially since it was presented rather as if it was "true." The one image that has stuck in my mind (and I could not find the illustration) was of a large jellyfish-like creature that lived in the atmosphere of Jupiter (evidently inspired because Carl Sagan said something like that might possibly exist).

Several years after Heinlein's 1954 book, NASA started an exobiology program which focused on the search for life on other planets. Now, these were two different things:
1. xenobiology -- the study of "alien" life
2. exobiology -- the search for alien life
All of this came to be under the heading of astrobiology, which is sort of all-encompassing: Astrobiology is the search for extraterrestrial life and the study of its origin, evolution, and distribution (as in whether it's traveled from one planet to another (like on a meteor)).

But let's go back to just xenobiology for a moment. The idea of alien life is fascinating. And the movies of the '70s, like Star Wars and Close Encounters and, even, E.T. (yes, I know that one was 1980), really cemented the idea into the heads of many young minds. So much so that a "real" disciple around xenobiology developed. Mostly, it was involved in speculation about what alien life could be like, but they considered it a science. A completely hypothetical science. Which I just find fascinating. And astounding. I mean, I was completely unable to believe that there were schools that offered classes in this when I was still in high school and looking over my college options.

"Yes, please, can I sign up for that class in completely make-believe science?"

Not that I don't believe in the possibility of alien life; I do. I also find it completely... well, a little like jumping the gun to be trying to say that speculation about what life might be like on another planet is science.

Some good came of all of this, though. In 1977, we discovered some life here on Earth that does not require sunlight to live or, even, thrive. This changed our definition of the requirements for life (and I remember learning in science when I was a kid that sunlight was required). We've got the requirements boiled down to water and energy (pardon the pun), at this point. We don't even think that all life need be carbon-based anymore, which is another of those things I learned when I was a kid.

At any rate, all of this lead to a change in the definition of xenobiology to "biology based on a foreign chemistry." Mostly, now, it deals with weird forms of life we've been discovering on Earth that have previously been thought to be impossible (like the tube worms that don't need sunlight and those weird bacteria discovered a few years ago that can live off of arsenic).

But, still, there are plenty of people out there studying (speculating about) alien life that we haven't even discovered.

And, now, I want to digress for a moment (like that's unusual):

My buddy, Briane Pagel over at The Best of Everything is doing alien languages for the A to Z challenge. Well, saying that he's talking about alien languages might not be exactly correct since a lot of what he does is talk about talking about them, but that's his announced theme, so I'm just sort of going with it. Anyway... Last week he did a post about our potential for communicating with aliens if/when we ever do meet them. In his post, he talks about dolphins and about how we've been working with them for decades, and we still can't communicate with them. This seems like a similar topic to me as what I'm talking about with this xenobiology stuff.

People start talking about talking to aliens, and we haven't even met them. The pre-supposition is that they will be similar enough to us that we will have some basis of relation to them and, thus, facilitate understanding. And this might be true. However, it might also be totally wrong. Which is kind of why it's not the smartest thing to start speculating about  these sorts of things. Talking to aliens or what alien life might be like.

Here's the thing, dolphins are smart. Really smart. Potentially, as smart as humans (or even smarter). After all, their brain/mass ratio is roughly equivalent to that of humans, which plays a part in our standards for intelligence. For instance, an elephant also has a brain that is roughly the same size as a human's or a dolphin's, but their mass is so much larger, they fall lower on the intelligence scale, because their brain has to be more concerned with their bodies than a human's brain to theirs. No, I don't know why it's defined this way, but that's how they do it. Well, okay, I do sort of know why, but it's not really important to this, so I'm not going to go into it.

So we have this animal that lives here on Earth with us, an animal that has a completely alien way of being. Alien to us, you understand. And despite that we've been working with them for decades, we're no closer to understanding how they communicate. And it's clear that they do communicate. But they don't communicate in any way that makes sense to us, but we think we'll be able to talk with aliens should we meet them?

Here's what I'm getting at: It seems to me that it would be more profitable for scientists to be spending their time on understanding the things in front of us that we don't understand rather than speculating about how we can send coded messages into space to talk to aliens. It seems quite clear to me that if we can't figure out how to communicate with dolphins that we have no hope of stumbling blindly across some code that will allow us to speak to aliens. And I give Briane the credit for this thought, because I'd never really thought about it at all until he brought it up.

In the same way, I think scientists would be better served working to understand the life on our own planet rather than speculating about how life might develop on some other planet. Until we can actually go there and see how that life might have developed, speculation doesn't matter at all. Not that we shouldn't look for life, I'm all for that, but the fact that we have (or had) a science devoted to studying alien life seems more than a bit like putting the cart before the horse.

Leave that stuff to the science fiction writers and you scientists get back to work on the real science. Like faster than light travel so that we can find that alien life.

Wednesday, April 18, 2012

The A to Z of Fiction to Reality: Quantum Communication

This is where I found out that I'm not nearly as clever as I thought I was. Well, that's not precisely true; this is where I found out that there are other people at least as clever as I am.
heh

Before we get to that, though:

At the moment, society is limited. Specifically, we are limited to Earth. There are a lot of reasons for this, but one of the hugest blocks to any kind of off-planet expansion is communication. It's hard to think about in those terms, because, today, we can talk to anyone in the world at speeds that are, basically, instantaneous. The fact that light can travel three times around the Earth in one second may have something to do with that. When we move off-planet, though, the speed of light becomes a limitation. And, right now, light is our fastest mode of communication.

There are two things that much of science fiction takes for granted:
1. the ability to travel at greater than the speed of light (although, there is, usually, some sort of basic explanation (in Star Trek, warp drive; in Star Wars, hyperspace (a theoretical possibility, by the way))
2. the ability to communicate instantaneously across the galaxy (there is usually no explanation given for this (although, Star Trek did, eventually, add in sub-space buoys to enable communication); we just have to accept that it's possible)
Until we solve these two issues, expansion out of the solar system just isn't feasible.

The good news? We may have solved one of these issues. Or, at the very least, be on the way to solving it.

See, communication has long been an issue to expansion. Establishing faster communication has been something that has been being worked on for ages. Think back 400 years ago. Let's say you were on the east coast of the USA (because, really, that's almost for sure where you would have been, and, yes, I know it wasn't the USA 400 years ago), and you wanted to send a letter to someone in... oh, let's just say Moscow. First, you have to write out a letter. By hand. On paper. With a quill of all things and a bottle of ink. This is if you could even write at all, so it may be that you are having to pay someone else to write the letter for you. At any rate, once you have your letter, you have to send it by ship across the ocean. And there were no post offices, so it's not like you just put a stamp on it. Anyway, the letter had to spend weeks travelling across the ocean on a ship, and you had to hope the ship didn't sink. Not that you would find out in any kind of timely manner if it did. Supposing the letter makes it all the way across the ocean to whatever port it's going to, let's say Paris, because that was a pretty busy place, once it gets over to Europe, someone has to take the letter on to Moscow. On a horse. And, unless this was some kind of political thing, there wasn't any kind of official mail carrier, and, since I'm pretty sure I don't have any politicians reading my blog, I'm going to suppose you're just some normal person sending a letter to Moscow, which means that, basically, someone going that direction has to volunteer to take the letter. That means that your letter might sit around in an office for weeks waiting for someone to take it. And then more weeks on horseback to Moscow. And then someone to find the person to whom the letter is going and take it to them. Now, let's suppose further that you're someone that has come to the New World (USA) to establish yourself and, then, you're going to send for your spouse and kids (which would make you in all likelihood a male, but I'll give you the benefit of the doubt), which you've done with this letter. Your spouse then sits down and pens a letter back, "we're coming!" Because letters took so long, the spouse might well beat his/her letter back across the ocean and arrive before you knew s/he was even coming. At any rate, all of this would take months and months. And months. And, sometimes, more months. And you were never assured that your letter made it in the first place. So, yeah, faster communication has always been something that we, as a race, have been interested in.

The pony express.
The telegraph.
The telephone.
Radios.
Fiber optics.
Satellites.

First limited by physical travel times, then limited by the speed of sound (and if you've ever spoken to anyone on another continent over the phone, you'll know what that's like), now, limited by the speed of light. Let me say that again, "Limited by the speed of light." That's like buying a new iGadget and looking at the memory and thinking, "I'll never use all of that," and, then, three months later wondering how you ever used up all of your memory.

As I said, science fiction has long said "phooey" with all that communication nonsense, because you can't have a story out in space where you have to wait, not just years, but hundreds of years to communicate.

And, now, we are on the edge of a breakthrough that could take communication out of the equation of what's holding us on Earth.

Just, by the way, I find what I'm about to tell you fascinating. (And this is also where I found out that scientists are clever fellows, too.)

Some time ago, I read an article about a breakthrough in communication. In fact, I've read several. In my mind, I started calling this communication system "quantum communication." The articles I read, though, never gave this stuff a name; it was just my name for it. I knew from the very beginning of this series of posts that I wanted to cover this, but I had no idea how to look it up. After expressing this, my wife, in her wisdom, said to me just look up "quantum communication" and see what you get. heh As it turns out, "quantum communication" is what this is coming to be known as, and I discovered that I'm not the only one that can think of the obvious name for something and decide to call it that.

But what is quantum communication? I'm going to leave most of the science out of this, because, honestly, it gets a bit complex, so in simple terms:
Subatomic particles (the little bits that make up atoms) have quantum states. If you get a pair of particles in matched quantum states (this is called entangling) what you do to one of them instantly affects the other of them. Basically, the unaffected particle will change its state to match the one that it's paired with. As long as you keep these particles isolated. However, distance doesn't seem to affect this at all. So, hypothetically speaking, you should be able to have a particle on Earth and a particle on, say, Ganymede (a moon of Jupiter and, minimally, 45 minutes away by light communication) and affect a change on one of the particles and have an immediate change of state in the second particle. Basically, through effecting a series of changes by, say, typing out a message on a keyboard, you should be able to receive that message more quickly than talking to someone anywhere on Earth via our current methods of communication.

Of course, it's all a bit more complicated than I've made it sound as it involves photons and quantum mapping and polarization and all sorts of other things, but those are the basics. Einstein actually predicted all of this almost 100 years ago, and even he didn't really believe it. He called it "spooky action at a distance."

And in breaking news, it was announced just a few days ago that the very first prototype quantum network has been established at the Max Planck Institute of Quantum Optics in Germany. Not only are they looking at communication over vast distances, but there is talk of a quantum Internet. There is also work being done on quantum computing that uses some of these same ideas and many believe is the next step toward artificial intelligence.

But, you know, science fiction had it first... even if they didn't know how it was done.