This week on Counting Stuff, lights are sold with lumen ratings and I didn't know what that meant, how it was measured. So I went down the rabbit hole on how light is measured. #dataBS www.counting-stuff.com/how-much-lig... - ThreadSky

randyau.com • 1 day ago

This week on Counting Stuff, lights are sold with lumen ratings and I didn't know what that meant, how it was measured. So I went down the rabbit hole on how light is measured. #dataBS

https://www.counting-stuff.com/how-much-light-was-that/