De revolutionibus

This wonderful solargraph by Jesus Joglar was 6 months in the making. He charts the journey of the sun, around the earth, around a beautiful, majestic, solid oak tree. And then there is the journey of science – a quest for knowledge. A fascinating read and a wonderful image. Magical, and life affirming.

Journeyofaphotograph

Last February 15th was the 450 aniversary of the bird of Galileo Galilei (15 February 1564 – 8 January 1642). As everbody knows Galileo was an Italian physicist, mathematician, astronomer and philospher. In other words, he was a Renaissance scientist who played a major role in the scientific revolution. Galileo’s championing of heliocentrism was controversial within his lifetime; he was investigated by the Roman Inquisition, which concluded that heliocentrism was false and contrary to scripture, placing works advocating the Copernican system on the index of banned books and forbidding Galileo from advocating heliocentrism. He was tried by the Holy Office, then found “vehemently suspect of heresy”, was forced to recant, and spent the rest of his life under house arrest. His achievements include improvements to the telescope and consequent astronomical observations and support for Copernicanism.

Nicolaus Copernicus (19 February 1473 – 24 May 1543) was also a Renaissance mathematician and…

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