Re:Energy Department teams up with Bill Gates to move mini-n...
by DennisP on Monday August 27, 2018 @11:49AM
(#17852168)
As of last fall, they've partnered with someone in China to build a traveling wave reactor there.
https://www.smh.com.au/business/bill-gates-and-china-partner...
I'd guess they figured out the traveling wave concept wasn't workable, and switched to another design.