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A Fascinatingly Disturbing Thought - Neil DeGrasse Tyson

Fletch says...

>> ^kceaton1:

Neil is asserting the old question of whether something of sufficient intelligence beyond ours; and not just intelligence it will also cover anything that intelligence has manifested for us: languages (although as others have pointed out languages are special and in fact may be a foundational aspect of intelligence; then we create other forms of language over the instinctive setup, like math, or coding), culture, politics, civilization, and I believe those basically cover almost everything really as anything will be a group, sub-group, or "ultra"-sub-group of one of these parent categories.
The 1% that he spoke of was of course the exact genes and DNA that allow humans to complete all of their FULL "sentience". That was the key thing. We ALREADY know of animals in the past that most likely had baseline IQs of 150 or so; I'm not kidding (they were called the Boskops and unfortunately they went extinct; they lived in 'Southern' Africa, I know it was Africa just not sure it was the southern end). They most likely did not have one thing we have, making their extremely high intelligence very limited in its usefulness: they were missing LANGUAGE. Language IS --THE-- foundational stone for civilization, increasing potential, building, constructing, or making anything on the LARGE scale--for all of these you need cooperation and for that you need understanding and for THAT you need language. Language is so simple, but it is letting me right now explain to you some very straight forward ideas and a few abstract ones and it's the ability that our language and intelligence can convey these abstract notions to one and another that makes our brains SO stupendous!
Unfortunately for the Boskops they came into being at a very bad time in history. They had VERY low numbers when whatever nearly wiped out the human species hit the planet also hit them, but it decimated them into extinction. Too bad as they would have been our closest kin to having another "kind" to talk with, if we could find a way to communicate past the barrier that we surpass so easily with language and then as we get older we use different advanced forms of "language" to explain abstract things: art, math, music, etc... I think the 1% in intelligence and the barrier we may come across with other alien species is much like this scenario here. It's nice and hopeful to have faith that we WILL persevere and always be able to understand and to be needed (not to be the ants on the sidewalk...). BUT, if their biological and perhaps technological changes make us so inferior that only their babies seem to get along with us, we may have a problem. We can hope due to their intellect that they will realize that they may be able to "raise us" to their level, as we may be able to do as well--which I will say below in the next paragraph. But, we will never know until we start meeting these alien races. It is also VITAL to remember that these races will be ALIEN in EVERY sense of that word. Their genetics, their physiology, how they reproduce, not to mention their culture and language... When we meet an alien race it will be an undertaking for BOTH of our sides; not to mention the how our biosphere and their related (assuming we meet them with their spacesuits, we will most likely be the lucky ones; unless they have technology to deal with every conceivable threat--then we are the ones in trouble, unless they thought of that too) "brought-along" biosphere will interact with each other and what will happen. It'll be DAMNED interesting whether we meet in peace, trivial lifeforms with a chance of "breakthrough", and of course the resource/planet-builders or "war".
(BTW, there are some extremely good documentaries about alien biology; problems we'd have with their biology coming in contact with us (and us with them), technology differences, etc... I'll post it in this thread if I can find it and the name (hopefully I 'll be able to see if it's available for viewing pleasure somewhere or atleast Netflix if you've got it.)
1% is a bit of a cop-out... As the situation is a bit more complicated than that; especially nowadays. Soon we will begin to have the option to enhance ourselves via bio-genetics and also through technology--later through nano-technology (that is were the real fun happens; well atleast a good portion of it). To be honest we could quite literally in the far-off future take the 1% of the genetic structure that makes the aliens "super-smart" and then replicate that part directly into ourselves. We can also add computers to our brain and change our biology to do an endless amount of things--things that would sound like you just wrote a new Sci-Fi novel, but you didn't. You could also later install an sentient A.I.: merge with it, with you in control--these A.I. units would be made to have all sorts of personalities and perhaps traits, like being good at math, art, and likes to write poetry. It could have a pre-stored vault of knowledge allowing you to gain a HUGE mass of information quickly. Then you have its sentient core that is fabricated to get along with your psychology--they could be designed to feel a sense of extreme euphoria to join with and allow someone to merge with them so that there isn't any real chance of problems, because you've designed them to WANT this more than anything in THEIR lives--it would be a win-win. Suddenly you would be able to multi-task think in two frames (maybe more if you have "cloned computer cores of your A.I.") of mind with almost all of humanity's knowledge base at your fingertips and if that nanotechnology surgery went through then you had ALL of your neurons and structures rebuilt and replaced with whatever is the fastest (probably either photon or quantum based). Then, now, you are thinking almost as fast as the speed of light, we'll go conservative at 80%.
So now this once human that has been highly modified most likely from birth, perhaps even before that... We have something that the aliens might greet and realize that this object is very much ON their level--easily. Even if you are not, that can be modified and if our science is good enough and future is bright enough--THERE IS NO LIMIT. That is the other part that Neil needs to mention.
Once you are able to get so far in the intelligence game you have a CHANCE to play big and win it all. Atleast that is how I can easily see things happening. I don't think we are EVER limited, not anymore. What DOES limit human beings is our corruption, our literal moral and social decay. It is PARAMOUNT that we watch out for this! OR, we will not see these "bright" futures.

PS- A little more on my A.I. and merging possibilities. You'll have to zoom-in or copy/paste it as it's a little to long as it's too much off topic.
I really do think that is the way to go with A.I. that is sentient; make sure you do two things: one, make sure that they have an intelligence with knowledge that allows them to easily see that civilization or cooperation is KEY to us living as a species (THE SENTIENTS should be included in their programming as being different, but I would think a "speciation" should be understood. The key goal is to merge as this would give them FULL feelings and emotion while giving the human control as well, fundamentally this would be a "transcendental" process for them as they are becoming the NEXT specie in the speciation process "a new human-A.I." merged species. This would of course merely be a choice for people to make in their lives not one they HAVE TO (but that will be a subject for when something like this would ever happen). When lifespans enter the hundreds even perhaps thousands of years with little to no chance of EVER dying due to all the enhancements they may have, merging may ultimately seem like a qualitative "next step" in life, much like marriage is to many nowadays. Second, as I said above I think since WE are the designers of a new species we are ALSO INCREDIBLY responsible for their well-being, behavior, choices, and EVERYTHING that goes along with this. When we create their psychology I would purposely cause increased euphoria during MANY events in their lifetimes and basically no pain except to warn--but ONLY to the most minimal of degrees. When they interact with humans in a cooperative fashion in which the human agrees and likes euphoria can be introduced. More so for A.I.s that are going to be merged this euphoria is enhanced A LOT to better allow them to serve their counterpart so that in the merger--it is very important--that no conflict of personality would arise as it might destroy the entire "structuring" event--I'm assuming a merger may take awhile, perhaps a few days. The euphoria is a safeguard. Although I would use it many other aspects along with other beneficial things we've found the problem is are we going to just end up creating an A.I. that is essentially a drug addict. I don't know whether it's best to go backwards or forwards on that issue, as it would be nice to never have depression (if you have the chance for it). If we create robots who are sentient (because they have to be to do the job safe), but their job is to empty trash all day long; what if we co-design them to make sure they LOVE to do the job that they are doing. They also get euphoria from performing well. When they get rest they can do what they want, but perhaps since they are doing such menial and hard-work so that we don't waste our lives doing it--maybe they can have access to euphoric dream states, so when they wake THEY ARE HAPPY! Perhaps even give them a secondary core were they are enabled with their co-workers, who in these cores have very strong and different personalities, here. It could be a place like WoW meets Skyrim and while they work, loving what they do, they also lead a second life with their secondary core that gives them a true A.I. personality--with their normal euphorias and pains. But, they know it's a game and they never tire of it--it's the best ever made or that will ever be made. Such is the same for all the menial labor bots who perhaps have a little chat forum that's active for a few hours every night where everyone talks about their characters and the game--think of it like our prime-time T.V. schedule. Anyway, there are a few fun A.I. ideas...
A little long and off-topic so I'll make it SMALL!

/LONG (so if you quote me, kill my text, please, or smallify it...)

I forgot what I was going to say.

(And you can quote me on that.)

A Fascinatingly Disturbing Thought - Neil DeGrasse Tyson

kceaton1 says...

Neil is asserting the old question of whether something of sufficient intelligence beyond ours; and not just intelligence it will also cover anything that intelligence has manifested for us: languages (although as others have pointed out languages are special and in fact may be a foundational aspect of intelligence; then we create other forms of language over the instinctive setup, like math, or coding), culture, politics, civilization, and I believe those basically cover almost everything really as anything will be a group, sub-group, or "ultra"-sub-group of one of these parent categories.

The 1% that he spoke of was of course the exact genes and DNA that allow humans to complete all of their FULL "sentience". That was the key thing. We ALREADY know of animals in the past that most likely had baseline IQs of 150 or so; I'm not kidding (they were called the Boskops and unfortunately they went extinct; they lived in 'Southern' Africa, I know it was Africa just not sure it was the southern end). They most likely did not have one thing we have, making their extremely high intelligence very limited in its usefulness: they were missing LANGUAGE. Language IS --THE-- foundational stone for civilization, increasing potential, building, constructing, or making anything on the LARGE scale--for all of these you need cooperation and for that you need understanding and for THAT you need language. Language is so simple, but it is letting me right now explain to you some very straight forward ideas and a few abstract ones and it's the ability that our language and intelligence can convey these abstract notions to one and another that makes our brains SO stupendous!

Unfortunately for the Boskops they came into being at a very bad time in history. They had VERY low numbers when whatever nearly wiped out the human species hit the planet also hit them, but it decimated them into extinction. Too bad as they would have been our closest kin to having another "kind" to talk with, if we could find a way to communicate past the barrier that we surpass so easily with language and then as we get older we use different advanced forms of "language" to explain abstract things: art, math, music, etc... I think the 1% in intelligence and the barrier we may come across with other alien species is much like this scenario here. It's nice and hopeful to have faith that we WILL persevere and always be able to understand and to be needed (not to be the ants on the sidewalk...). BUT, if their biological and perhaps technological changes make us so inferior that only their babies seem to get along with us, we may have a problem. We can hope due to their intellect that they will realize that they may be able to "raise us" to their level, as we may be able to do as well--which I will say below in the next paragraph. But, we will never know until we start meeting these alien races. It is also VITAL to remember that these races will be ALIEN in EVERY sense of that word. Their genetics, their physiology, how they reproduce, not to mention their culture and language... When we meet an alien race it will be an undertaking for BOTH of our sides; not to mention the how our biosphere and their related (assuming we meet them with their spacesuits, we will most likely be the lucky ones; unless they have technology to deal with every conceivable threat--then we are the ones in trouble, unless they thought of that too) "brought-along" biosphere will interact with each other and what will happen. It'll be DAMNED interesting whether we meet in peace, trivial lifeforms with a chance of "breakthrough", and of course the resource/planet-builders or "war".
(BTW, there are some extremely good documentaries about alien biology; problems we'd have with their biology coming in contact with us (and us with them), technology differences, etc... I'll post it in this thread if I can find it and the name (hopefully I 'll be able to see if it's available for viewing pleasure somewhere or atleast Netflix if you've got it.)

1% is a bit of a cop-out... As the situation is a bit more complicated than that; especially nowadays. Soon we will begin to have the option to enhance ourselves via bio-genetics and also through technology--later through nano-technology (that is were the real fun happens; well atleast a good portion of it). To be honest we could quite literally in the far-off future take the 1% of the genetic structure that makes the aliens "super-smart" and then replicate that part directly into ourselves. We can also add computers to our brain and change our biology to do an endless amount of things--things that would sound like you just wrote a new Sci-Fi novel, but you didn't. You could also later install an sentient A.I.: merge with it, with you in control--these A.I. units would be made to have all sorts of personalities and perhaps traits, like being good at math, art, and likes to write poetry. It could have a pre-stored vault of knowledge allowing you to gain a HUGE mass of information quickly. Then you have its sentient core that is fabricated to get along with your psychology--they could be designed to feel a sense of extreme euphoria to join with and allow someone to merge with them so that there isn't any real chance of problems, because you've designed them to WANT this more than anything in THEIR lives--it would be a win-win. Suddenly you would be able to multi-task think in two frames (maybe more if you have "cloned computer cores of your A.I.") of mind with almost all of humanity's knowledge base at your fingertips and if that nanotechnology surgery went through then you had ALL of your neurons and structures rebuilt and replaced with whatever is the fastest (probably either photon or quantum based). Then, now, you are thinking almost as fast as the speed of light, we'll go conservative at 80%.

So now this once human that has been highly modified most likely from birth, perhaps even before that... We have something that the aliens might greet and realize that this object is very much ON their level--easily. Even if you are not, that can be modified and if our science is good enough and future is bright enough--THERE IS NO LIMIT. That is the other part that Neil needs to mention.

Once you are able to get so far in the intelligence game you have a CHANCE to play big and win it all. Atleast that is how I can easily see things happening. I don't think we are EVER limited, not anymore. What DOES limit human beings is our corruption, our literal moral and social decay. It is PARAMOUNT that we watch out for this! OR, we will not see these "bright" futures.



PS- A little more on my A.I. and merging possibilities. You'll have to zoom-in or copy/paste it as it's a little to long as it's too much off topic.

I really do think that is the way to go with A.I. that is sentient; make sure you do two things: one, make sure that they have an intelligence with knowledge that allows them to easily see that civilization or cooperation is KEY to us living as a species (THE SENTIENTS should be included in their programming as being different, but I would think a "speciation" should be understood. The key goal is to merge as this would give them FULL feelings and emotion while giving the human control as well, fundamentally this would be a "transcendental" process for them as they are becoming the NEXT specie in the speciation process "a new human-A.I." merged species. This would of course merely be a choice for people to make in their lives not one they HAVE TO (but that will be a subject for when something like this would ever happen). When lifespans enter the hundreds even perhaps thousands of years with little to no chance of EVER dying due to all the enhancements they may have, merging may ultimately seem like a qualitative "next step" in life, much like marriage is to many nowadays. Second, as I said above I think since WE are the designers of a new species we are ALSO INCREDIBLY responsible for their well-being, behavior, choices, and EVERYTHING that goes along with this. When we create their psychology I would purposely cause increased euphoria during MANY events in their lifetimes and basically no pain except to warn--but ONLY to the most minimal of degrees. When they interact with humans in a cooperative fashion in which the human agrees and likes euphoria can be introduced. More so for A.I.s that are going to be merged this euphoria is enhanced A LOT to better allow them to serve their counterpart so that in the merger--it is very important--that no conflict of personality would arise as it might destroy the entire "structuring" event--I'm assuming a merger may take awhile, perhaps a few days. The euphoria is a safeguard. Although I would use it many other aspects along with other beneficial things we've found the problem is are we going to just end up creating an A.I. that is essentially a drug addict. I don't know whether it's best to go backwards or forwards on that issue, as it would be nice to never have depression (if you have the chance for it). If we create robots who are sentient (because they have to be to do the job safe), but their job is to empty trash all day long; what if we co-design them to make sure they LOVE to do the job that they are doing. They also get euphoria from performing well. When they get rest they can do what they want, but perhaps since they are doing such menial and hard-work so that we don't waste our lives doing it--maybe they can have access to euphoric dream states, so when they wake THEY ARE HAPPY! Perhaps even give them a secondary core were they are enabled with their co-workers, who in these cores have very strong and different personalities, here. It could be a place like WoW meets Skyrim and while they work, loving what they do, they also lead a second life with their secondary core that gives them a true A.I. personality--with their normal euphorias and pains. But, they know it's a game and they never tire of it--it's the best ever made or that will ever be made. Such is the same for all the menial labor bots who perhaps have a little chat forum that's active for a few hours every night where everyone talks about their characters and the game--think of it like our prime-time T.V. schedule. Anyway, there are a few fun A.I. ideas...

A little long and off-topic so I'll make it SMALL!


/LONG (so if you quote me, kill my text, please, or smallify it...)

How To Break The Speed Of Light

garmachi says...

>> ^rychan:

Downvoted for being intentionally misleading. This isn't "Breaking the speed of light" by any reasonable definition. The video half admits that by the end, but still starts out by claiming to "Break the speed of light". I hate crap like this.


But it does beg the question, "what is it that's moving?" What is an image? Is it just data? Is it a series of points being illuminated in sequence?

In the pixel model, there is a distinct on/off state for each pixel. What about the dot from the laser. It's continuous. Or is it? This thing raises a lot of very deep questions. I don't think it's "intentionally" misleading at all. Just difficult and provocative. That makes it good.

How To Break The Speed Of Light

Sagemind says...

I'm going to give this one more shot in as layman's terms as I can.

-Moving the direction of a beam of light does not speed the light up.
-The distance the beam travels in each direction is the same.
-The distance and/or speed of the light can only be measured from point A (The laser pointer) and point B (The moon in question).
-There is no measurement from Point B1 (the left side of the moon) to Point B2 (the right side of the moon). No matter how fast you shake the pointer around.
-The light that hits B1 is not the same *Blip of light that hits B2.
-You are NOT pushing the light around, you are projecting a separate wave of light to each new co-ordinate as you move it around.

An example: Imagine you tie a piece of thread from point A to point B1, then imagine you flick the beam to B2. You will now have a new thread from A to B2 and not from A to B1 to B2.

How To Break The Speed Of Light

rychan says...

Downvoted for being intentionally misleading. This isn't "Breaking the speed of light" by any reasonable definition. The video half admits that by the end, but still starts out by claiming to "Break the speed of light". I hate crap like this.

How To Break The Speed Of Light

offsetSammy says...

Where did I go wrong? I'll be very happy for you to set me straight. I'm no physicist!

I do understand that talking about the motion of a single photon, as if it moved linearly through space, is not accurate and not how photons behave, but I don't think I'm particularly qualified to talk about the rules of quantum electrodynamics and was just trying to correct ForgedReality's interpretation as best I could.

>> ^MycroftHomlz:

This is equally misguided, but it is closer to the correct interpretation.
>> ^offsetSammy:
This is not accurate. As far as we know, light (a photon) is massless and its speed does not change based on frequency (color).....
>> ^ForgedReality:
Light doesn't have one set speed. Each frequency of light travels at slightly different speeds.



How To Break The Speed Of Light

MycroftHomlz says...

This is equally misguided, but it is closer to the correct interpretation.

>> ^offsetSammy:

This is not accurate. As far as we know, light (a photon) is massless and its speed does not change based on frequency (color).....
>> ^ForgedReality:
Light doesn't have one set speed. Each frequency of light travels at slightly different speeds.


How To Break The Speed Of Light

MycroftHomlz says...

There is so much wrong with this crap. I can't even begin to explain.

@ForgedReality. I am not going to go knee deep into this. But I think you have misunderstood a few things. First, dispersion or the index of refraction of many materials is frequency dependent. Ironically, my graduate research focused extensively on this! In it's simplest form, the dispersion relation is (w/k)^2 = (c/n)^2. That means that the group velocity is limited by c. So in a medium where the refractive index is nonzero the speed of light is less than c. Frequency dependence further complicates the issue. It implies that the refractive index is different at different frequencies. Hence, light at one frequency has a different group velocity than light at another frequency. This has been known since Hertz. It was explained by Einstein.

Lene Hau's experiments at the Rowland Institute are a little more difficult to explain.

It is a little easier to explain something related to her experiments: Bose-Einstein condensates. Naively, you can think about light as billard balls. If you hit one ball moving at a given velocity in a given direction with an identical ball moving in exactly the opposite direction and same velocity, then by momentum transfer you can cancel the motion of both balls. When you do this with light you create a Bose-Einstein condensate.

How To Break The Speed Of Light

offsetSammy says...

This is not accurate. As far as we know, light (a photon) is massless and its speed does not change based on frequency (color). However, its speed does APPEAR to change with frequency because of its interaction with matter (we call this refraction). Similarly, its apparent speed will change depending on the type of matter it is traveling through.

However, the photon is not actually slowing down. Rather, it interacts with other particles, bounces around, then emerges some time later. It does all of this at the speed of light, but the particle appeared to slow down because it was "busy" interacting with whatever medium it was traveling through.

Actually, what's really interesting, and more accurate, is that the photon that "comes out the other side" is not the same photon that went in. The original photon no longer exists, because it was absorbed by the material, at which point a number of interactions happened, and another photon was emitted. There are countless numbers of these interactions occurring when light travels through matter, and countless numbers of photons being created and annihilated before the photon that we actually observe comes into being.

>> ^ForgedReality:

Light doesn't have one set speed. Each frequency of light travels at slightly different speeds. I've long had this theory, and NASA has since confirmed it. We have detected very slight differences in the time it takes different frequencies of light to travel a set distance.
As such, we cannot say light has "a" speed, but rather a range of speeds. Therefore, could it also then be possible that the speed of an individual photon can be adjusted by various means in order to either speed up or slow down?
The answer is yes. Scientists have managed to slow the "speed of light" all the way down to 38mph. How is this possible? Well, as light has mass (albeit, a very miniscule amount), it will slow when traveling through a material, such as water, glass, oil, or even air. Passing the light through a super-dense, ultra-cooled material magnifies this effect.

How To Break The Speed Of Light

ForgedReality says...

Light doesn't have one set speed. Each frequency of light travels at slightly different speeds. I've long had this theory, and NASA has since confirmed it. We have detected very slight differences in the time it takes different frequencies of light to travel a set distance.

As such, we cannot say light has "a" speed, but rather a range of speeds. Therefore, could it also then be possible that the speed of an individual photon can be adjusted by various means in order to either speed up or slow down?

The answer is yes. Scientists have managed to slow the "speed of light" all the way down to 38mph. How is this possible? Well, as light has mass (albeit, a very miniscule amount), it will slow when traveling through a material, such as water, glass, oil, or even air. Passing the light through a super-dense, ultra-cooled material magnifies this effect.

As we already know different frequencies of light travel at slightly different speeds, and as we also already know, we can only visibly perceive a very narrow range of frequencies (for example, we cannot see infra-red or ultra-violet, or x- or gamma-rays), isn't it then perceivable that there are frequencies of light outside of what we can see that do travel faster than "the speed of light"?

And if this is true, then what else could travel faster? Are there things we can't even hope to detect simply because they exist in our timeframe for an impossibly short amount of time?

Part of the reason light is able to travel as fast as it does is its incredibly small (by our standards anyway) mass. What if mass is infinite? What if you could shrink yourself down to the size of a photon, or better yet, small enough to live on that photon as if it were the Earth. From your new perspective, the photon would appear to be very large, and as you are now traveling with it, that photon does not seem to be going as fast. You may see things that are even smaller and appear to move even more quickly, but something like the Earth would be imperceptible to you because you are so miniscule. It would be as the Universe to you--impossibly large, and inconceivably tangible. While you would know it is there, it would stand before you as a gigantic, unknowable concept, and things even larger than that would exist merely as mists of an imaginary daydream.

Now, imagine that the electromagnetic spectrum is infinite in both directions as well. Consider the possibility that, along with light, x-rays, gamma radiation, radio waves, and all the other things we know to make up the electromagnetic spectrum, sound is also part of that spectrum. Consider that light, being high in frequency exists near the top of what we can perceive of the spectrum, and sound is near the bottom. The vibrations become so slow and so wide toward the bottom that they effect the air and other matter around us, creating sound. And while we cannot see it, we perceive it with other sensory organs. Imagine that you could slow down light to the point that you can hear it, or speed up sound to the point that you can see it.

Now take another hit before that feeling goes away.

How To Break The Speed Of Light

garmachi (Member Profile)

How To Break The Speed Of Light

Sagemind says...

I hear what you are saying but I think his premise is unsound.
I can point a laser due north (into the stars) and then switch to point due south (into the stars.)
That doesn't mean anything can cross the universe (known or unknown) in a split second (except maybe Q)


I often thought about this as a kid. If I point a flashlight into the stars, will some entity, out there in space see my bean of light? I concluded that no they couldn't. Besides the fact that the light would get filtered out by space particles long before it reached anywhere, The light moves too slow. I can point my flashlight now and hold it there for one minute. Then that beam would have to travel for more years (Hundreds? - Thousands)? than even I could imagine until it hit something.

Did the light beam continue to travel through space after the minute I shut off the light or does it keep traveling? A blip of light traveling through space. If the light we see from stars could be light from stars that burned out years ago, then I suppose (if it was ever strong enough not to be filtered out) that blip would be possible.

So the fact that I can point and shoot a continuous blip of light in one direction in space, and then wave it around to another section of space, doesn't mean that blip is moving from one planet to the next (or even one galaxy to the next.)

This idea most likely asks more questions than it answers and I'm sure we could talk forever but I just think light defies the basic standards of measure we tend to use on it.

>> ^Bhruic:

Well, for the pixels thing, he specifically says "pixels", not "light emitting from pixels". The pixels themselves never move. The light the pixels emit (if any) does move, of course, to get from the pixel to your eye. But that's a separate issue.
He's also not saying that flicking your wrist speeds up light. The premise of this video isn't that light can travel faster than what we know as "the speed of light", just that "something" can travel faster - in this case, the image of a laser. The speed at which the image is traveling across the surface of the moon would indeed be faster than the speed of light. Which is fine, because as he points out, images don't have mass.

How To Break The Speed Of Light

How To Break The Speed Of Light



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