Nearly everyone has seen the bobsled races in the Olympics. Teams of 2 and 4 launch themselves in a sled, down an icy track at over 100 km/hr. The tracks are made of concrete, which are coated with ice in the winter. The combination of ice and the aerodynamics of the sled mean that competitors can travel down the track at extreme speeds while pulling 5 g’s. And I can certainly appreciate… Read More