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August 21, 2021 Archives
Saturday, August 21, 2021
THE HAPPENING WORLD: Weekly Space Report: Starbase Developments, Inspiration 4 Flight Preparations, Blue Origin Lawsuit
Posted at
14:49
TRACKING WITH CLOSEUPS: Teaching John von Neumann
George Pólya on teaching John von Neumann pic.twitter.com/z2LsxkCp3G
— Fermat's Library (@fermatslibrary) August 21, 2021
Posted at
14:20
CONTEXT: Robert Zubrin—Life on Mars: Past and Future
Posted at
13:54
CONTEXT: Detecting Quantum Gravitational Effects at Gravitational Wave Observatories
Falling bodies are subject to random fluctuations whose characteristics depend on the quantum state of the gravitational field.
— Physical Review Letters (@PhysRevLett) August 19, 2021
Letter: https://t.co/RyZEmvR5a1 #open@PhysRevD: https://t.co/g0WnHW5SGi #open pic.twitter.com/rUjinCrGqb
Posted at
12:49
CONTINUITY: Spinning Up a Sperry Heading Gyroscope From 1949
Posted at
11:49
TRACKING WITH CLOSEUPS: The Boulder on Tycho's Central Peak
I have a similar mystery that bothers me. The Boulder on top of the central peak of Tycho Crater, on the moon 🧐 pic.twitter.com/vyf1pJ1Fnz
— Richard Faulkner (@RichardFaulkne3) August 20, 2021
Here is more about the Tycho boulder.
Posted at
11:00