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☖ Forums → Discussion Forum → Speed of light vs radio waves
12
Speed of light vs radio waves
2009-06-30, 1:44 PM #1
bam!

http://current.com/items/90301786_scientists-make-radio-waves-travel-faster-than-light.htm?xid=ch60
You can't judge a book by it's file size
2009-06-30, 1:45 PM #2
that's it we're in the future now
:master::master::master:
2009-06-30, 2:02 PM #3
Still can't send information faster than light; still useless.
Stuff
2009-06-30, 2:13 PM #4
Originally posted by kyle90:
Still can't send information faster than light; still useless.


Yes it does, re-read the article.
2009-06-30, 2:13 PM #5
The article doesn't explain any actual science.

Fact : Nothing can travel faster than light.
2009-06-30, 2:15 PM #6
Quote:
Yes it does, re-read the article.
No, nothing there is traveling faster than light. It says 'phenomenon such as radio waves'... but radio waves are light. So light is traveling faster than itself? Clearly the problem with this article is that there's no science in it, and the author doesn't even know basic things about radio waves.

Pure sensationalism.
2009-06-30, 2:16 PM #7
What about the anti-gravity powers of black holes? They can actually suck in beams of light.

Would that mean that the anti-gravitational powers of a black hole equate to a greater speed than light?

No, that's just the acid kicking in.
"Oh my god. That just made me want to start cutting" - Aglar
"Why do people from ALL OVER NORTH AMERICA keep asking about CATS?" - Steven, 4/1/2009
2009-06-30, 2:17 PM #8
Originally posted by JM:
The article doesn't explain any actual science.

Fact : Nothing can travel faster than light.


Correction:

Postulate of a Theory: Nothing can travel faster than light.

For a more complete and accurate theory of relativity, see:
Galilean Invariance
2009-06-30, 2:18 PM #9
Originally posted by JM:
No, nothing there is traveling faster than light. It says 'phenomenon such as radio waves'... but radio waves are light. So light is traveling faster than itself? Clearly the problem with this article is that there's no science in it, and the author doesn't even know basic things about radio waves.

Pure sensationalism.


What? Most radio waves are analog. Meaning sound waves. Meaning particles bumping into other particles.
2009-06-30, 2:19 PM #10
I think my brain just exploded
Stuff
2009-06-30, 2:21 PM #11
Originally posted by Petmc.:
What about the anti-gravity powers of black holes? They can actually suck in beams of light.

Would that mean that the anti-gravitational powers of a black hole equate to a greater speed than light?

No, that's just the acid kicking in.


Black holes are a theoretical model for explaining what we can't study or test. It's a place holder to fill in what we don't understand or can't yet explain.
2009-06-30, 2:24 PM #12
Positive Attitude Correction: We THINK nothing can travel faster than light.
Sneaky sneaks. I'm actually a werewolf. Woof.
2009-06-30, 2:30 PM #13
This article is over a year old...

2009-06-30, 2:33 PM #14
current.com not so current
"Nulla tenaci invia est via"
2009-06-30, 2:36 PM #15
Yeah, the other article left out this:
Quote:
Last week, the two scientists presented the work to the American Astronomical Society at its conference in Austin, Texas.

Singleton wasn't sure how it would be received by the astronomical community, but so far, other scientists seem very interested in his work, he said.

"I thought there would be more resistance to it, because traditional astronomers are very resistant to things traveling faster than the speed of light," Singleton said.

In the next few years, the scientists plan to build a series of newer, more powerful machines to further demonstrate the technology, Perez added.

The Department of Energy has given them a three-year,
$3 million grant to work on the project.
2009-06-30, 2:39 PM #16
Originally posted by Alco:
What? Most radio waves are analog. Meaning sound waves. Meaning particles bumping into other particles.


:nonono::nonono::nonono::nonono::nonono:
2009-06-30, 2:47 PM #17
Originally posted by Vornskr:
:nonono::nonono::nonono::nonono::nonono:


Electron vibration is what creates radio waves.

If it was purely light, then you wouldn't get a signal on your cell phone inside a building.
2009-06-30, 2:50 PM #18
Originally posted by Alco:
Electron vibration is what creates radio waves.


:downswords:
2009-06-30, 2:54 PM #19
Are you our new friend14? Yaaay.
Warhead[97]
2009-06-30, 2:57 PM #20
Wait a sec, so where do you think the electromagnetic energy comes from and how do you think it can travel from point A to point B.
2009-06-30, 3:01 PM #21
Originally posted by Alco:
Wait a sec, so where do you think the electromagnetic energy comes from and how do you think it can travel from point A to point B.


hmm well see I think the photon is the elementary particle, the "quantum" of the electromagnetic field, if you will
2009-06-30, 3:02 PM #22
Originally posted by Alco:
Electron vibration is what creates radio waves.

If it was purely light, then you wouldn't get a signal on your cell phone inside a building.


:awesome:

Originally posted by Alco:
What? Most radio waves are analog. Meaning sound waves. Meaning particles bumping into other particles.


This is bash.org worthy.

Really, instead of trying to defend yourself further, read the Wikipedia article on electromagnetic radiation.
2009-06-30, 3:33 PM #23
Originally posted by Jon`C:
hmm well see I think the photon is the elementary particle, the "quantum" of the electromagnetic field, if you will


That didn't come close to answering my question.
2009-06-30, 3:43 PM #24
Originally posted by Alco:
That didn't come close to answering my question.


the basic "unit" of light and all other forms of electromagnetic radiation, and the force carrier for the electromagnetic force
2009-06-30, 3:45 PM #25
Originally posted by Jon`C:
the basic "unit" of light and all other forms of electromagnetic radiation, and the force carrier for the electromagnetic force


...reading comprehension issues?

You still didn't answer my question.
2009-06-30, 3:46 PM #26
This is awesome.
Warhead[97]
2009-06-30, 3:57 PM #27
Originally posted by Alco:
...reading comprehension issues?
not as such, no

Quote:
You still didn't answer my question.
didn't I?
2009-06-30, 3:58 PM #28
No, you didn't. By your explanation it looks like you believe that one photon literally travels from point A to point B. Is that a correct assumption?
2009-06-30, 4:01 PM #29
If you are asking me whether or not I believe in the aether, the answer is no.
2009-06-30, 4:03 PM #30
I think you're stumbling into the deep end without your floaties on if you're going to start talking about the "difference" between particles and waves in electromagnetic radiation and your best example is "sound waves".
Warhead[97]
2009-06-30, 4:18 PM #31
my god, this is why I love massassi.

plz, keep it coming
2009-06-30, 4:23 PM #32
Originally posted by Jon`C:
If you are asking me whether or not I believe in the aether, the answer is no.


That's not what I asked.
2009-06-30, 4:28 PM #33
What exactly are you asking, then? You asked Jon what he thought EM radiation was made of, he answered you. It's not his fault if you don't understand the answer.
Bassoon, n. A brazen instrument into which a fool blows out his brains.
2009-06-30, 4:29 PM #34
F=mv
2009-06-30, 4:35 PM #35
Also didn't Einstein prove that the group velocity of a wave can be higher than c? It doesn't mean information can be sent faster than c, as I recall. Someone with a better understanding could clarify this, perhaps?
Bassoon, n. A brazen instrument into which a fool blows out his brains.
2009-06-30, 4:36 PM #36
Originally posted by Emon:
What exactly are you asking, then? You asked Jon what he thought EM radiation was made of, he answered you. It's not his fault if you don't understand the answer.


It was a two part question and I then even went a step further and elaborated on what I thought he was trying to convey and asked him if that was correct. He didn't directly answer the question but instead inserted a new question (which I did not ask him) and answered it instead.

What I'm asking is pretty clear.
2009-06-30, 4:42 PM #37
You are asking if photons travel from point A to point B like a baseball? I suppose the alternative being a sea of "photons" through which energy waves travel in space? AKA aether?
Warhead[97]
2009-06-30, 4:43 PM #38
He's being Jon`C, I think you're going to have to piece together the answer.

By your logic, if sound and radio waves are the same thing, then the ripples in a pond are also radio waves.
Bassoon, n. A brazen instrument into which a fool blows out his brains.
2009-06-30, 4:48 PM #39
What, Emon, can't you hear light? All the cool kids can hear light waves.
Warhead[97]
2009-06-30, 4:49 PM #40
Originally posted by Alco:
What I'm asking is pretty clear.
My answer is pretty obvious if you actually understand what we're all talking about; i.e. if you don't believe that sound and light are the same thing.
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