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mdsolar writes: "Engineers at American nuclear plants have been much better at calculating the risk of an internal problem that would lead to an accident than they have at figuring the probability and consequences of accidents caused by events outside a plant, a report released Thursday by the National Academy of Science said.
Accidents that American reactors are designed to withstand, like a major pipe break, are “stylized” and do not reflect the bigger source of risk, which is external, according to the study. That conclusion is one of the major lessons from the Fukushima Daiichi nuclear accident in Japan in 2011, which began after an earthquake at sea caused a tsunami."
mdsolar writes: Wild monkeys in the Fukushima region of Japan have blood abnormalities linked to the radioactive fall-out from the 2011 nuclear power plant disaster, according to a new scientific study that may help increase the understanding of radiation on human health.
The Japanese macaques (Macaca fuscata) were found to have low white and red blood cell levels and low haemoglobin, which the researchers say could make them more prone to infectious diseases.
mdsolar writes: Friday's edition of the Federal Register contains new rules for radiation at nuclear facilities, explosives used in coal mining operations, model airplanes and recreational drones, and energy efficiency at manufactured homes.
Here's what is happening:
Radiation: The Nuclear Regulatory Commission (NRC) is considering new radiation protections at nuclear facilities.
The radiation standards would protect workers and the public from hazardous radiation stemming from a nuclear facility, the NRC said Thursday.
The public has 120 days to comment.
Explosives: The Interior Department's Office of Surface Mining Reclamation and Enforcement is considering more stringent blasting regulations at surface coal mine sites, the agency said Thursday.
The Interior Department is considering a petition from WildEarth Guardians, an environmental group that wants the agency to prohibit visible nitrogen oxides emissions resulting from blasting operations.
The petitioners argue this would protect the health, welfare and safety of mine workers and the surrounding public.
I was thinking about Minimum Substantive Derogatory Criteria as an indication of where the thinking is coming from. That kind of balancing is used to assess counterespionage efforts. We're not looking for people who might be exploited by spies I think.
So, the SSC was to have 40 TeV collisions for protons while when this project upgrades to protons it will be less than 70 TeV. Guess the physics of energy loss just hasn't changed that much. It is good that the SSC science now has a chance to get done.
The origin of the matter-antimatter imbalance in the universe is something that people try to solve using the standard model and indications that charge-parity symmetry breaking occurs in some interactions. http://en.wikipedia.org/wiki/C... Much larger collides could explore this beyond leptons as well as ideas beyond the standard model such as supersymmetry and string theory and their connection with vacuum energy.
