i am an unrequited astronomer, pretend patient, gentle adventurer, pedal enthusiast, recovering calligrapher, occasional thespian and unfinished poet living in portland, oregon. contacting me via email is usually a good idea.
7:46 PM:
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oo! i love learning new things, especially when they're things i thought i already knew: "...traffic detectors at intersections [are] not triggered by weight, but by the magnetic anomaly created by a ferrous metal passing over the sensor wires. The sensors are particularly sensitive at the corners..."