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Medtronic and Alcatel developed a plutonium-powered pacemaker, the Numec NU-5, powered by a 2.5 Ci slug of plutonium 238, first implanted in a human patient in 1970. The 139 Numec NU-5 nuclear pacemakers implanted in the 1970s are expected to never need replacing, an advantage over non-nuclear pacemakers, which require surgical replacement of ...
Criticality accidents are divided into one of two categories: Process accidents, where controls in place to prevent any criticality are breached;; Reactor accidents, which occur due to operator errors or other unintended events (e.g., during maintenance or fuel loading) in locations intended to achieve or approach criticality, such as nuclear power plants, nuclear reactors, and nuclear ...
[55] [59] About a quarter of the women who were pregnant at the time of the disaster experienced symptoms of depression, and though the proportion of concerned expectant mothers decreased over time, counselling services were still provided in the years following due to the number of women concerned about the potential health effects from the ...
Motoric cognitive risk syndrome is a series of symptoms that suggest someone may be developing dementia. It’s characterized by slow walking and cognitive complaints, like trouble with memory and ...
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That goes double over the holidays, when everyone is stressed and overstimulated. But sundowning has some unique signs that make it stand out from just being tired. “Fatigue can occur at all ...
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They note it is not possible to directly replace an AA battery with this technology, because an AA battery can produce bursts of much higher power as well. Instead, the diamond battery is aimed at applications where a low discharge rate over a long period of time is required, such as space exploration, medical devices, seabed communications ...