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Carnival of Nuclear Energy 185
Carnival of Nuclear Energy 185 is up at Atomic Power Review.
James Conca reviews the uranium enrichment deal made with Iran.
It is no wonder that Iran wants this deal as badly as it seems. It is a way out of a very tricky and dangerous situation. Countries having the bomb never seem to get attacked, but those that give up their nuclear programs completely tend to end badly. Just ask Iraq and Libya. To avoid this fate, Iran has to back away from nuclear weapons while retaining a nuclear energy program.
The U.S. understands that this deal is a good step toward that end. A final deal will include a structure that precludes the ability to make a weapon, such as abandoning or altering the reactor at Arak, and closing the Fordow enrichment facility because it is basically immune from attack being under a mountain. But the whole deal doesn’t have to be done all at once.
All things considered, this deal with Iran is a good one for the world.
Robert Hayes at Newsok reviews time travel physics
Travel backwards in time is mathematically consistent with all known physical phenomenon but not in the way you probably expect, there are some caveats. The existence of antimatter has been empirically known for almost 100 years now. The antiparticle for an electron can either be called an anti-electron or a positron. A normal electron has a negative charge and an anti-electron has a positive charge. Similarly a proton has a positive charge but an anti-proton has a negative charge. Whenever a normal particle comes into contact with its antiparticle, they annihilate each other and are converted into pure energy in the form of gamma ray photons. All anti-matter particles are effectively equivalent to their normal matter counterparts with the exception that anti-matter can be considered to have negative energy. The difference in energy when an anti-matter particle encounters its matter counterpart is simply total energy of the gamma rays released when they annihilate each other.
Source: http://nextbigfuture.com/2013/12/carnival-of-nuclear-energy-185.html
