Final answer:
Special relativity's predictions, including time dilation and length contraction, don't appear in daily life because these effects are only noticeable at speeds close to the speed of light, which are not experienced in normal human activities.
Step-by-step explanation:
The predictions of the special theory of relativity don't seem to appear around us in daily life because the effects it describes, such as time dilation and length contraction, only become noticeable at speeds that are a significant fraction of the speed of light. In our everyday experience, the speed at which we move and the relative velocities between objects are much too slow for these relativistic effects to be perceptible. Therefore, while these phenomena are real and have been confirmed by numerous experiments, they don't impact our day-to-day lives. It's only in extreme conditions, like those near black holes or when traveling at relativistic speeds to other star systems, that we would be able to notice these effects. Albert Einstein's general theory of relativity has been validated through observations, such as the behavior of objects in strong gravitational fields, but we haven't experienced radically different gravities in our normal lives to notice the difference in the flow of time.