If you could choose only two things as a staple of any war movie, they'd probably be military jargon (like "roger" in military aviation) and hand signals. Whether it's Easy Company deep behind enemy ...

To be clear, the universal gesture wherein the middle finger is extended to "give the bird" is not considered a proper hand signal. Anywhere. At any time. Neither is shaking a fist or hanging out the ...

Turn signals are one of the earliest automotive safety features. In the early 1900s, some cars came with mechanical arm "trafficators" that would pop out of either side of the car to indicate a turn.