I'm looking to have some sort of material that I can make lighter/heavier on demand to create a weight imbalance in my device (it isn't very large-no more than a few centimeters).
Hi PF,
This could possibly be through a change in size or density...Maybe even programmable matter. I've tried some googling but haven't found anything on actually changing the weight through putting a current through something. It would be extremely useful for my personal hobby. Even through a...
Hi PhysicsForums, first post!
So I was wondering how much energy would be absorbed by a shock absorbing material before it hit a vulnerable object. I've made a rudimentary sketch in paint to illustrate the situation.
I've calculated the Kinetic energy of the incoming object (let's call it X)...