3
   

Does light have Mass?

 
 
peter jeffrey cobb
 
  1  
Reply Tue 1 Feb, 2011 09:55 am
@sozobe,
Yes I understand that there are many diferent substances that are still being discovered. Im just trying to figure out how to grab or move something that is mass less Smile I am not sure if I am putting the question plainly. If you understand the question or if anyone does, and are able to restate the question in a more appropiete manner please help me out Smile
BillRM
 
  2  
Reply Tue 1 Feb, 2011 10:21 am
@peter jeffrey cobb,
Rest mass is zero of photons however they do have the mass of the energy they are carrying. energy as in mass=energy.
peter jeffrey cobb
 
  1  
Reply Tue 1 Feb, 2011 10:41 am
@BillRM,
BillRM wrote:

Rest mass is zero of photons however they do have the mass of the energy they are carrying. energy as in mass=energy.
Ok now were talking. So even though the photons themselfs have no mass. They how ever carry something that consists of mass. And thats whats being tugged and pulled. Thats what you mean BillRM?
BillRM
 
  2  
Reply Tue 1 Feb, 2011 10:49 am
@peter jeffrey cobb,
Quote:
Thats what you mean BillRM?


YES ......................however it is never that simple in Physic beyond Newton but in the main yes.
peter jeffrey cobb
 
  1  
Reply Tue 1 Feb, 2011 11:14 am
@BillRM,
Aha now that makes sense. Thank you BillRM. Smile
0 Replies
 
chai2
 
  1  
Reply Tue 1 Feb, 2011 01:11 pm
@BillRM,
BillRM wrote:

Quote:
Thats what you mean BillRM?


YES ......................however it is never that simple in Physic beyond Newton but in the main yes.


yeah, as Einstein said, Quantun Physics = Spooky
peter jeffrey cobb
 
  1  
Reply Tue 1 Feb, 2011 10:26 pm
@chai2,
Smile Fear of the unknow? Smile
dyslexia
 
  3  
Reply Tue 1 Feb, 2011 10:36 pm
@peter jeffrey cobb,
the unified field theory has yet to be unified.
peter jeffrey cobb
 
  1  
Reply Tue 1 Feb, 2011 11:08 pm
@dyslexia,
You Rock Smile From the posts I read. You can open alot of minds by trowing diversions on topics. I love that Smile And that humor is priceless Smile
MJA
 
  1  
Reply Tue 1 Feb, 2011 11:08 pm
@dyslexia,
Energy is truly unified; and only the warped theoretical science of mankind that divided and tore it apart. The solution can't be found because it simply just is.

=
MJA
0 Replies
 
dyslexia
 
  3  
Reply Tue 1 Feb, 2011 11:51 pm
@peter jeffrey cobb,
"According to the current doctrines of mystic scientism, we human animals are really and actually Nothing but organic patterns of Nodular energy composed of collocations of infinitesimal points oscillating on the multi-dimensional coordinates of the space-time continuum. I'll have to think about that. Sometime. Meantime, I'm going to gnaw on this sparerib, drink my long-neck Bud, and contemplate the a posteriori coordinates of that young blonde over yonder, the one in the tennis skirt, tying her shoelaces." EA
peter jeffrey cobb
 
  1  
Reply Wed 2 Feb, 2011 12:04 am
@dyslexia,
ROLF Smile Priceless I tell ya priceless Smile
0 Replies
 
chai2
 
  1  
Reply Wed 2 Feb, 2011 09:09 am
@peter jeffrey cobb,
peter jeffrey cobb wrote:

Smile Fear of the unknow? Smile


No, it's that quantum physics does not work the way you expect it to (saying that in the simplest way possible)

It does spooky things.
0 Replies
 
jjwallace19
 
  2  
Reply Fri 22 Apr, 2011 11:29 pm
@peter jeffrey cobb,
Light does not have mass, it appears to be pulled by black holes because light travels in a straight line with the "straight line" being relative to the space it is traveling through. If space is being pulled through the black hole then light will follow the same path through space that would have been straight if not affected by the black hole, giving the appearance of being pulled in by the black hole. So basically it the light is not even affected by the gravitational pull of the black hole, only it's path is.
peter jeffrey cobb
 
  1  
Reply Sat 23 Apr, 2011 01:38 am
@jjwallace19,
Ok fair enough. How do you then explain the Bose Einstein condensation effect then? When you shoot a laser light thru it. It is slowed down. I think the proper thing to say would be 'photons' dont have mass. But energy particles associated with light do have mass. So that can it be tugged or pulled. So light as a whole and all it may comprise of does have mass. Photons however do not. I am not educated in these matters, but from the people that are, thats the answer I think I got. Have you come up with the same conclusion after reading their discussion?
rosborne979
 
  1  
Reply Sat 23 Apr, 2011 05:38 am
@peter jeffrey cobb,
peter jeffrey cobb wrote:

Ok fair enough. How do you then explain the Bose Einstein condensation effect then?

Light doesn't really slow down. It's speed in a vacuum is always the same. But when you pass light through a material (even a BEC) there is absorption and emission which makes it appear to "slow" down.
0 Replies
 
djjd62
 
  1  
Reply Sat 23 Apr, 2011 05:44 am
not sure about light having mass, but mass has lights
http://thumbs.dreamstime.com/thumblarge_252/12065515058BvJzp.jpg
0 Replies
 
rosborne979
 
  1  
Reply Sat 23 Apr, 2011 05:48 am
@peter jeffrey cobb,
Light does not have mass.

Nothing that moves at the speed of light can have mass, and nothing that has mass can move at the speed of light.
BillRM
 
  0  
Reply Sat 23 Apr, 2011 06:31 am
@rosborne979,
Quote:
Nothing that moves at the speed of light can have mass, and nothing that has mass can move at the speed of light.


Rework your posting as follow for it to be correct:

Nothing that moves at the speed of light can have rest mass, and nothing that has rest mass can move at the speed of light.

peter jeffrey cobb
 
  1  
Reply Sun 24 Apr, 2011 01:41 am
@rosborne979,
Ok then does the light wave' carry energy? Does energy have mass?
 

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