Airplanes fly, computers do more and more stuff every day, and automatic transmissions shift when they are supposed to. We have faith in all these things, even though all of us may not understand them ...

An automatic transmission is one that doesn’t require the driver to shift gears manually. There are more types of automatic transmissions than ever before, including conventional torque-converter step ...

Throughout the 1900s, cars with manual transmissions slowly gave way to those with the ability to shift between gears automatically. Early automatic transmissions with names like Hydra-Matic, Dynaflow ...