The use of hand signals is a fundamental element of human communication. Hand signals work whenever there is a need for complete silence and when distance or noise, like when riding a motorcycle, ...

As so many who have served in the military will attest, the sense of togetherness is absolutely paramount. You and your comrades are part of something vitally important to the defense of a nation, and ...

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.