The Guild of Scientific Troubadours

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From the USGS:

This image is a cropped rendition of two aerial images that demonstrate satellite-derived cyanobacteria concentrations in surface waters from an area in Florida. The top image is true-color photograph, and the bottom image is from the Medium Resolution Imaging Spectrometer (MERIS) sensor on the Envisat satellite, taken October 1, 2011. Data from the sensor lets scientists assign quantitative values for cyanobacteria concentrations, which are represented u…

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The so-called “Siberian unicorn,” the Elasmotherium, a noble critter here pictured in the pages of Evolution of the Past, by Henry R. Knipe (with illustrations by Alice B. Woodward and Ernest Bucknall).

I still want to see them used in place of the heraldic unicorn as a symbol of Scotland, should independence ever happen. Until then, I think fondly of their memory: stolid beasts, galloping and grazing, possibly around as recently as 26,000 years ago, and maybe sketched on…

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From 1675 until his death in 1719, John Flamsteed worked at the newly built Greenwich Observatory, charting the stars in the sky. He was England’s first Astronomer Royal. His atlas of the constellations came out 10 years after his death, in 1729, and was greeted as the most accurate and most detail set of star charts yet produced – although the art was fanciful, and even a bit… off (see the Linda Hall Library listing on Flamsteed for a look at his very peculiar Virgo).
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From Wedding’s Basic Bessemer Process, by W. B. Phillips and E. Prochaska, which you can preview here. I found it on the British Library Photostream.

The Bessemer Process is for making steel.

Stay safe, folks.

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A snapshot of SARS virus particles – the coronavirus responsible for Sudden Acute Respiratory Syndrome – taken at Fort Detrick, Maryland, the military lab where the strain used in the 2001 anthrax attacks came from.

There’s a lot of bad lungs behind this picture, is what I’m saying here. Even though those things look like happy little suns rolling down a green hillside.

Credit should go to the NIAID Integrated Research Facility, part of the National Interagency Biod…

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Electronics in 1916, from an article on making headphones for receiving radio transmissions in QST, the amateur wireless magazine of the The American Radio Relay League.

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