3 ms·
Freight trains have very powerful versions of those onboard. You'd just have to repurpose them. It's called "dynamic braking". https://en.m.wikipedia.org/wiki/
by HPsquared 1y ago
Freight trains have very powerful versions of those onboard. You'd just have to repurpose them. It's called "dynamic braking".
https://en.m.wikipedia.org/wiki/Dynamic_braking https://en.m.wikipedia.org/wiki/Dynamic_braking
- eru 1y agoSome electric cars have that as well. Btw, many passenger trains have something like that as well, especially in the metro or tube: the stations are deliberately built slightly higher than the normal lines, so that you can convert kinetic and potential energy back and forth.