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re: Mind Blown: E=M?^2

Posted on 1/25/15 at 7:20 pm to
Posted by Tiguar
Montana
Member since Mar 2012
33131 posts
Posted on 1/25/15 at 7:20 pm to
interesting, wonder if the reverse could be done to objects to make them easier to accelerate somehow.


iirc as it stands, as you approach the speed of light, it requires an infinite amount of energy to reach light-speed.

wonder if you could frick with that in any way using this concept.
Posted by Kentucker
Cincinnati, KY
Member since Apr 2013
19351 posts
Posted on 1/25/15 at 9:03 pm to
quote:

Yes. I'm just hoping it holds up.


I do, too, but after reading the paper it seems the authors have their own doubts and have their fingers crossed that peer reviews will bear their experiment out.

Here's a LINK to the publication for anyone who is interested in the subject. Warning: It might make your head hurt.

ETA: This is a very interesting conclusion
quote:

Beyond light, the effect observed will have applications to any wave theory, including sound waves and, potentially, gravitational waves.
This post was edited on 1/26/15 at 10:20 am
Posted by Ross
Member since Oct 2007
47824 posts
Posted on 1/26/15 at 10:22 am to
This would be pretty fundamentally shocking to relativity, but I'm curious if the results of this experiment will prove reproducible.
Posted by Kentucker
Cincinnati, KY
Member since Apr 2013
19351 posts
Posted on 1/26/15 at 10:25 am to
I hope it's not a long wait for results. It would affect so much.
Posted by JacketFan77
Tiger, GA
Member since Nov 2012
2554 posts
Posted on 1/26/15 at 11:05 am to
Thanks for posting the .pdf ... there goes my lunch hour
Posted by tokenBoiler
Lafayette, Indiana
Member since Aug 2012
4407 posts
Posted on 1/26/15 at 1:01 pm to
quote:

This would be pretty fundamentally shocking to relativity, but I'm curious if the results of this experiment will prove reproducible.


I'm not an expert, but I'd guess it couldn't possibly mean what the articles make it sound like to people like us. I'd like to hear an actual physicist comment on whether a sub-c photon would necessarily have a rest mass. That, to me, would imply monster repercussions in energy transport.
Posted by justlookin
Member since Mar 2014
257 posts
Posted on 1/26/15 at 1:05 pm to
Why do you park in a driveway and drive on a parkway? Huh???? You ever think about that????
Posted by motionmagic
Mobile, Alabama
Member since Nov 2010
831 posts
Posted on 1/26/15 at 3:07 pm to
FTL communications?
Posted by Kentucker
Cincinnati, KY
Member since Apr 2013
19351 posts
Posted on 1/26/15 at 5:17 pm to
If we can learn to use quantum entanglement in communications, we already have an FTL method. It's instantaneous over any distance.
Posted by derSturm37
Texas
Member since May 2013
1521 posts
Posted on 1/26/15 at 8:57 pm to
quote:

...and, potentially, gravitational waves.

I hadn't thought about its bearing on the good ol' quest for unification.

Now I'm curious.
Posted by Kentucker
Cincinnati, KY
Member since Apr 2013
19351 posts
Posted on 1/26/15 at 10:25 pm to
quote:

I hadn't thought about its bearing on the good ol' quest for unification.


Well, gravitational waves haven't been confirmed yet. I know most of the theories point to gravity being a force akin to electromagnetism, the weak and strong forces but we found the carriers of the latter three and that confirmed them.

That we can't detect gravitons makes me suspect gravity is an effect of space-time rather than being a force. Some popular physicists such as Neil deGrasse Tyson and Michio Kaku also think gravity is an effect of space "pushing" particles together rather than "pulling" them. Dark Energy could well be anti-gravity since it pushes matter apart.
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