Csmsdust
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Archaeologists believe that around 417 cities, towns, and villages made up the unified civilization.
Remains of architectural forms and patterns, ceramics, sculptural art, architectural patterns, and unifying causeway constructions.
The magnitude of the labor int he construction of massive platforms, palaces, dams, causeways, and pyramids dating to the Middle and Late Preclassic periods, suggests a power to organize thousands of workers.
shit man this got me emotional
Feeling like a pro in Atomic Force Microscopy
...to be honest I probably should really tell myself that at this point I really am the professional in this method. After 4 years of working with 2 different atomic force microscopes, now I started with a 3rd one, again a new type from a different company.
Only after 2 hours of training on the new machine, I could observe membranes of resistant bacteria all by myself. The membranes are the yellow pancakes sitting flat on the dark support. They are less than 8 nm high (0.000000008 m), as is visible in the blue and red profile lines. So it's super tricky to actually see them. Atomic force microscope touches the surface of my membranes and surrounding support with a tiny tip like with a finger and reconstructs the surface topology. On top of the small size, the cellular membranes are super soft so also the touching finger must be super soft to see them without damaging them.
By tracking mRNA scientists can view chemicals within the brain creating memories for the first time.
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Eukaryotic cell gang!! We love women in STEM.
The organelles of the cells have been translated into human anatomy, so the nucleus is the brain, the vacuole function as the lungs, and the mitochondria is the heart since it’s the… you already know, I don’t have to say it ;)
Karl Schwarzschild
He provided the first exact solution to the Einstein field equations of general relativity, for the limited case of a single spherical non-rotating mass, which he accomplished in 1915, the same year that Einstein first introduced general relativity. The Schwarzschild solution, which makes use of Schwarzschild coordinates and the Schwarzschild metric, leads to a derivation of the Schwarzschild radius, which is the size of the event horizon of a non-rotating black hole.
Schwarzschild accomplished this while serving in the German army during World War I. He died the following year from the autoimmune disease pemphigus, which he developed while at the Russian front. Various forms of the disease particularly affect people of Ashkenazi Jewish origin.
Asteroid 837 Schwarzschild is named in his honour, as is the large crater Schwarzschild, on the far side of the moon. (source) (biography) (more)
