This story may have been posted before. The research is interesting on three levels. 1) It showed that the standard explanation that every chemistry student is taught is wrong. Second it showed that amateur scientists can contribute to the advancement of science by professional scientists. Third it provides an example of coulomb explosions which have sometime been mentioned in the context of LENR.
High speed camera reveals why sodium explodes! (24;58 min) https://www.youtube.com/watch?v=LmlAYnFF_s8 Same youtuber has also investigated a related phenomena which he thinks has still not been adequately explained. Invisible metal (5:26 min) https://www.youtube.com/watch?v=BIGMfai_ICg Harry
