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dev20220603_20220603-151307_20220603_151307

An interesting experiment: an infrared "night black heat bulb." This is in visible light, and the filament is not visible. These bulbs are just high wattage incandescent bulbs with super dark tinted glass, as the infrared image shows.

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Uploaded on June 6, 2022
Taken on June 3, 2022