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October 12, 2021 Archives
Tuesday, October 12, 2021
CONTEXT: Why Do Bees Make Rhombic Dodecahedrons?
Posted at
14:39
CONTINUITY: Why Do U.S. Power Plugs Have Those Holes in the Prongs?
The dead hand of the past meets Safetyland's electric plugs, some of the worst and most stupid in the world.
Posted at
14:16
CONTINUITY: How Photolithography Works—Part 5: Photolithography Metrics
Photoresists (see Part 3) are highly nonlinear (or, as a photographer would say, high contrast). Getting the “dose” (or exposure) correct is critical for imaging small features, and this is a tradeoff between focus and illumination, which involves some intricate measurements and calculations.
Posted at
12:46
TRACKING WITH CLOSEUPS: Firefly Aerospace Factory and Test Site Tour
Posted at
12:12