What exactly is science???

There’s an idea floating around that science is all about experiments, in fact, that without experiments, there is no science. Certainly, experimentation is right up there, at the highest level of science, but there are whole branches of science where experimentation is not possible. Geology is one of them. No one is doing experimental continental [...]

Did Augustin-Jean Fresnel really invent the Fresnel lens?

Augustin-Jean Fresnel (1788 — 1827)was a Catholic scientist in France in the early 1800’s. He made incredible contributions to the understanding of light, being one of the earliest and best champions of the idea that light is a waveform. He entered the French school for engineers around 1804 and then served in the engineering corps [...]