Recent content by that_guy
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Graduate Fusion a suicidal power source?
It would use 1/150,000 of the worlds deuterium each year, not 1/150,000 of the world's water. Only a small part of the water in the ocean has deuterium in it (heavy water or HDO). -
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Graduate GPB hopefully to end DM nonsense
I've been reading about GPB and it in itself is amazing. Optical contacting sounds like BS but it's real. An amazing piece of equipment. I hope it all works and we get some interesting results.- that_guy
- Post #14
- Forum: Special and General Relativity
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Graduate Modern Special Relativity and Mass
I think having the acceleration decrease with increasing speed makes more sense asthetically as well. Large relative speeds change lengths, time and the addition of velocities. So it shouldn't be too surpising when relativity changes our understanding of meters, meters/s and seconds that...- that_guy
- Post #10
- Forum: Special and General Relativity
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Graduate Question regarding explanation of impossiblity of faster then light travel speed
For the observers inside the ship, time does not slow down. Observers in the 'at rest' frame will see time as passing slower in the ship.- that_guy
- Post #12
- Forum: Special and General Relativity
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Most underpaid and overpaid vocations
There was an article about this recently. Top Ten most overpaid jobs i the U.S. http://cbs.marketwatch.com/news/story.asp?guid=%7B954AA053-F953-43F3-BBC8-63D351A3BF2A%7D&siteid=google&dist=google- that_guy
- Post #13
- Forum: General Discussion
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Undergrad How long is nuclear power plant waste really dangerous?
Is this reprocessing or a different process entirely? And it would be suitable for generating electricity while it is using high-rad waste? -
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Graduate Relativity Paradox: Explaining A Ship Moving at 198% Light Speed
Donk- The units don't work out in the second equation so it really doesn't make any sense, unless you want to use c^4 instead of c^2.- that_guy
- Post #21
- Forum: Special and General Relativity
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Undergrad How long is nuclear power plant waste really dangerous?
You mean it would result in several times our usual annual dose even after 1,000 years? Is it orders of magnitude higher? What I was trying to determine is if the 10,000 year goal for places like Yucca Mountain are very conservative and that even if a problem occurred after 1000 years the... -
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Undergrad How long is nuclear power plant waste really dangerous?
I know that some of the isotopes have extremely long half-lifes. However, isn't it true that generally speaking, a longer half life correlates to a lower rate of radioactivity? So wouldn't the most dangerous elements be those with short half-lifes? Isn't most of the danger from waste therefore...