3 ms·
It has a lot of air gaps within its fibers. We know that Solids CANNOT be compressed. So what's actually being folded is the air gaps. Which is why you can't
by Peterz_shu 4mo ago
It has a lot of air gaps within its fibers.
We know that Solids CANNOT be compressed. So what's actually being folded is the air gaps.
Which is why you can't easily fold a piece of tungsten. It has less air gaps.
- gruez 4mo agoBut you can fold aluminum foil just fine? That certainly doesn't have "a lot of air gaps within its fiber"
- dotancohen 4mo agoActually I've never had success cleanly folding aluminium foil. There are always imperfections and creases.
- IAmBroom 4mo agoPretty sure the material's innate stiffness plays a role there, too. Metallic film folds quite nicely.