I bought this bunch of flowers at the farmer's market, and took a silly picture to share with family. It's a terrible picture because I didn't realize I'd need a better one. For example, on the right you can also see some Lego flowers. Ignore them. But if you look closely you can see that [...]
Category: science and engineering
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 [...]
Last PT for a while…
Today is my last physical therapy appointment for my hip. Probably. Not the end of PT in my life because in a year or so, when the hip is completely stabilized, I'll have to deal with my back problems. Spinal columns are supposed to look like ... columns ... not stacked beads. But today is [...]
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 [...]
Snow, snow, beautiful snow, you slip on a lump…
I find this picture fascinating. Actually I find the original on my back porch fascinating. The heap of snow on the table shows something odd about how much frozen water fell from the sky. The table has a pyramid of snow that is around eight or nine inches deep some inches in from the edge. [...]