Wednesday, August 06, 2008

Light Shines Through

From the National Space Society: The team of Stanley Von Medvey, Mike Snead, and NSS Governor Howard Bloom produced this video as a message for the next US President. In late June Colonel "Coyote" Smith announced the first solar power demo from Space. Legally it will be a student project, which gets around a lot of regulations! Japan is also working seriously on SSP. The International Space Station has given humans experience building big things in Space. The dream of clean power from Space may finally be moving forward.

Another interesting comment from Canada has been found following Lawrence Krauss' December article at Physicsworld.

"Riofrio claims that the speed of light varies with time. Very simply – perhaps too simply – I understand that her reasoning goes something like this. In Plank units we can write (assuming a locally flat universe) the rest energy of a mass m as:

E = GmM/R…(1)

"But R the distance to a mass M having the equivalent mass of the universe and R=ct, where t is the age of the universe (t=time since the big bang), E = mc^2 so that:
mc^2 = GmM/(ct). Thus tc^3 = GM implying that c is a function of time.

"If Riofrio’s interpretation is correct, light is slowing down and thus the measured supernova redshift does not necessarily indicate an accelerating expansion of the universe; hence no Dark Energy is needed! I would appreciate your comment on this line of reasoning."

UPDATE: In case anyone wonders who came up with "GM=tc^3" theory, another short paper from 2005 is available for sale at the British Library website.

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Blogger Lobo7922 said...

I dont know if you had the oportunity to read this:

The fun thing about this article are the comments of the people below, they dont bite it, people no longer believes in Dark Energy and Dark Matter, they are tired of reading about this, proposer of this theories will need to come with something better before people believes them again.

6:24 AM  
Blogger L. Riofrio said...

Thanks lobo, that is good news. The people realise that the emperor has no clothes.

7:28 AM  
Blogger Kea said...

Yes, the being ignored stage definitely seems to be over, but how long does the being laughed at stage last?

4:24 PM  

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