3 ms·
I wonder how "sturdiness" scales. What happens when you drop or bang a battery with such tiny features? Obviously they are very weak, but they also have very li
by jws 13y ago
I wonder how "sturdiness" scales. What happens when you drop or bang a battery with such tiny features? Obviously they are very weak, but they also have very little mass.
I generally count on HN to have someone with experience in any given field. Today I call on those with experience scaling structures into the larger micron ranges.
- jmpe 13y agoforce from acceleration scales linearly with mass. mass, however, scales cubic with size: something at 1/10 scale is 1/1000 the mass. surface scales square with scale (something at 1/10 scale has 1/100 surface or cross section surface) with miniaturization with factor x you get 1/x^3 mass and 1/x^2 cross section surface. as a result stresses (Force/Surface) becomes 1/x less on a given surface for acceleration. (on mobile, edited a few times)