Dr. Roy Schestowitz February 8, 2022 11:31pm Is Your #Flashlight A Lumen Liar? Build A DIY Integrating Sphere | Hackaday ⚓ https://hackaday.com/2022/02/07/is-your-flashlight-a-lumen-liar-build-a-diy-integrating-sphere/ ䷉ #hackaday | more in http://schestowitz.com/2022/02/08/#latest Is Your Flashlight A Lumen Liar? Build A DIY Integrating Sphere A lamp used to be simple thing: just stick a filament in a glass bulb, pass a current through it and behold! Let there be light. A bigger lamp meant a larger filament, taking more power and a large…
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