Surreal Footage on Instagram: "@polymarket Before the invention of crash test dummies, researchers relied on human cadavers to study the effects of car collisions. In the late 1930s, Wayne State University in Detroit began conducting experiments to understand how the body responds to violent forces during accidents. These early tests included dropping steel ball bearings onto skulls, pushing bodies down elevator shafts onto steel plates, and strapping them into vehicles for head-on collisions an