So did (even to a greater effect) the doctors washing their hands. Between 1822-1922, only in Physics humanity discovered/developed, the laws of Electromagnetism, the laws of Thermodynamics and their microscopic extension: Statistical Mechanics, the special theory of relativity, quantum mechanics and the General theory of relativity.

The last 100 years have been about doing things in large quantities in a cheaper, faster way. Of course there has been great progress (the era of the PC/Internet by far the most important one) but the rate is significantly lower.