When scuba divers need to say “I’m okay” or “Shark!” to their dive partners, they use hand signals to communicate visually. But sometimes these movements are difficult to see. Now, researchers ...

Tired of risking his life every time he had to signal a turn using his hands while riding his bicycle in rainy Vancouver, [Simon Wong] decided he needed something a bit higher tech. But rather than ...

In the century-plus since automobiles first hit the roadways, dozens of advancements have helped make vehicles safer for drivers. Seat belts, airbags, and anti-lock braking systems tend to headline ...