

The “tungsten micro-cube shrapnel” is evergreen for whatever reason, first time I heard it mentioned was probably >15 years ago. I’ve always assumed some stuff is reported ahead of actual testing for various reasons (gauging public reaction? Spying on how information disseminated?) and some is just getting iterated on, inherently has poor results, or just happens to be the latest prototypes on hand when they resume mass physical violence.
Yeah here’s Wired covering it in 2009, alluding to 2006 reporting on dense inert metal explosives (DIME):