I don't believe a word of it. These kinds of announcements tend to show up every few months, and none ever make it to market.

"There are a handful of small hurdles yet to cross in the science, but nobody seems terribly concerned."

If they were so "small" they would be solved. No, they are massive hurdles, and they have no clue what to do, so they put out a press release hoping for more money.

Plus solid sodium in your house? Talk about a fire hazard. You have an external fire which melts the casing, you dump water to put it out - and fireball.