Comment Re:The economics don't seem right (Score 1) 248
Tesla is looking at if they can introduce Sandcores to create hollow castings to introduce weak spots that crumple in a crash. That is a difficult task and noone has solved it yet. and that part is speculation.
I'm not an engineer, but why would creating crumple zones in aluminum be difficult? Don't you just make the material thinner where you want it to crack, and isn't it a relatively straightforward process to iterate on this until you have something that behaves the way you like? Sincere question; I find the process interesting.