ultraviolet ≠ infrared

Jan 19, 2017 02:29

Thu Jan 19 02:29:58 EST 2017
Wall-Climbing Transformable Robot - it's a car; it's a robot.
Another symptom of failing to teach people science?Due to UV rays outside which can interfere with the operation of the IR controller, it is recommended to use the product indoors.
I think they're saying it has trouble with sunlight, but is that because sunlight contains UV or because it contains a ton of IR?Dual mode of land and wall
Since the alternatives to "land" are usually "water" and "air" (No one ever considers the vacuum.), I think a "wall" is still "land". Maybe the 2 modes should be horizontal and vertical?

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usage, language, education, woot, science

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