the.com/propulsion
The art of going forward by violently throwing something backward.
means The force or mechanism that pushes an object forward, typically by expelling mass in the opposite direction.
from From Latin propellere, to drive forward — pro (forward) plus pellere (to push), the same root that gives us pulse and compel.
Newton's revengeEvery push forward demands an equal shove backward.
Squid pioneersJet propulsion evolved underwater long before rockets.
No air neededRockets work best in the vacuum of space.