It looks like a wrought-iron finial for a curtain rod. It’s actually a demonstration of how electrons can be used as a lens – how an electron microscope make such small things visible.
This is a strange bug from PHIL, the CDC’s Public Health Image Library. Not the kind of bug the CDC usually deals with… it’s an unidentified insect found, mysteriously enough, on the outside of an unidentified dragonfly. Sticking to an antenna, in fact.
As PHIL says, Though this arthropod was found […]
Quoting here from Oudemans’ book:
In 1845 Dr. Albert C. Koch, “exhibited a large skeleton of a fossil animal, under the name of Hydrarchos Sillimanni in Broadway, New York, purporting to be that of an extinct marine serpent. These remains consisted of a head and vertebral column, measuring in all 114 […]
How the submarine goes.
Found on Wikimedia Commons.
This is a celestial event recorded beautifully in E. Weiß’s Bilderatlas der Sternenwelt, the “Picture-Atlas of the Star-World”. I’m not sure, but I think that’s Niagara Falls. In the decades before Edison, the night sky must have been lovely.
Dark. Except when lit from above.
Image via ia Public Domain Review
An image from Rockets and Satellites Work Like This, as found on the marvelous Dreams of Space blog. It’s a children’s book about the then-current Space Race and the potential future of lunar colonies and inflatable space stations.
This image is actually 10 years older than the book it’s in, “carried […]
They itch. They dig in and they itch.
These are the mites that cause scabies, the tiny tunnelers, burrowing into the skin and digesting as they go. If your German’s good, you can read more about them in Brockhaus’ Konversations-Lexikon yourself.
Or, you can rely on a more modern source.