Comment on What are these bumps on the top of a pull-tab can?parentComments−at_a_remove1yAnd you get all of that energy back when you powder that aluminium, mix it with rust, and manage (with difficulty) to ignite it.−throwawaymobule1yNo you don't. There are losses from inefficiency at every step.
Comments
And you get all of that energy back when you powder that aluminium, mix it with rust, and manage (with difficulty) to ignite it.
No you don't. There are losses from inefficiency at every step.