alt Hacker News> as metal is harder than sand
The contents of sand tend to be substantially harder than metal.
Replies
varjag • today at 8:03 AM
Especially the soft Al or Ti alloys the phones are made of.
fakedang • today at 7:40 AM
Not to mention, more abrasive - every process engineer's nightmare.
It doesn't matter if sand grains have higher Mohs hardness than metal alloys if the sand grains have no structural integrity to actually do anything.