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 ...

Since the advent of motorized vehicles, manufacturers have put a lot of thought into making sure drivers can communicate crucial information to one another. Whether you're driving a car, truck, or ...

Participants in a recent study were asked to decode cyclists' hand signals. How well do you think you would've done? Reading time 3 minutes If you’re driving a car, it’s always the cyclist’s fault. If ...