In order to decrease the level of bouncing on even surfaces, scientists use hydraulic dampers in F1 vehicles. A team of engineers at car builder McLaren managed to use the same technology in a lightweight knee brace, which has already been tested on US marines. It is worth mentioning that the marines quite often get injured when they stand in fast-moving inflatable boats that slam down quite hard after jumping waves. Thus, one’s knee must absorb the level of energy similar to jumping off a 2.5 meter wall every couple of seconds. This shock absorber is able to control the bending of the knee and realign the person’s leg prior to the future impact. The device can also be used to hold up injured knees after surgery.