Wouldn't it be nice if they could develop a car size version? With a charge lasting 50 years, sure would take the pressure off the grid... https://www.iflscience.com/china-unveils-coin-sized-nuclear-battery-that-lasts-for-50-years-72448 And remember, our lithium batteries started off very small before they became usable for large scale applications. Maybe those little coin sizes, can be combined (like our lithium ones) to provide higher energy needs. Can only hope...
I have a watch from china that checks pulse and even blood 02 levels (with adapter) , had it over ten years and still running.. I've wondered more than once if they were using some sort of nuke material . I even checked my skin under the watch a few times looking for radiation burn lol . Just one of those wild thoughts we get . looked to see if my skin was red