A steel bar is resistant to stress and is capable of maintaining its form while bearing large loads. While steel is also known as one of the world’s strongest metal’s (Titanium, Tungsten and Iconel round out the top four), it is also susceptible to shearing and completely breaking. A rubber brick, on the other hand, will bend easily under even small loads, but it’s extremely difficult to snap or break. Moreover, once the load is removed from the rubber, its flexibility returns it to its original form. This is how the rubber brick displays resiliency