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The safety of nuclear power is paramount


By Isaac Newton Acquah(Dr)
The previous discussions delved into the immediate causes that triggered the three major nuclear power accidents: Three Mile Island (TMI), Chernobyl and Fukushima. It was made quite clear that the unprecedented tsunami, which inundated the Fukushima Nuclear Plant and destroyed its cooling systems, was the immediate cause of that nuclear accident. In the case of TMI and Chernobyl, human error lay at the root of those accidents.
Although we discussed three major nuclear accidents, there were fatalities in only the Chernobyl accident, where RBMK reactors were used. Furthermore, if the Chernobyl reactor had had a containment building, the consequences could have been significantly limited. The fact that there were no fatalities in the TMI and Fukushima accidents underscore the safety of Light Water Reactors (LWRs) which can be further deduced from Table 1. ....

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No future for new nuclear


No future for new nuclear
 ‘the claim that any nuclear reactor system can “burn” or “consume” nuclear waste is a misleading oversimplification. Reactors can actually use only a fraction of spent nuclear fuel as new fuel, and separating that fraction increases the risks of nuclear proliferation and terrorism.’ 
mini-PWR designs, like NuScale’s Small Modular Reactor. – the UCS is none too keen on SMRs, as witness its earlier report on them –it says ‘small isn’t always beautiful’. A more recent review of SMRs by Prof. M.V. Ravana, from the University of British Columbia, looking more at the economics, came to similar conclusions: ‘Pursuing SMRs will only worsen the problem of poor economics that has plagued nuclear power and make it harder for nuclear power to compete with renewable sources of electricity.’  ....

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Seeking enhanced materials for nuclear reactors


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Photo: Gretchen Ertl
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One of India’s largest commercial and research nuclear reactor facilities lies just south of Arunkumar Seshadri’s hometown of Chennai, India. It was there, during a high school field trip, that the seeds of his interest in nuclear power were planted.
“We learned the basic outline of how a reactor functions,” recalls Seshadri, a fifth-year doctoral student in nuclear science and engineering. “I was fascinated by how such a little bit of uranium or other fuel could produce such an enormous amount of energy.”
This fascination quickly found a formal outlet during Seshadri’s undergraduate years, and continues to propel him now at MIT. ....

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