lumen flashlight can illuminate the

video

However, the DIY super is more of a flood or beam rather than a torch. The comparison test was conducted in the middle of the video where the two humble were completely outshone as they didn’t as much as the 72,000- .

http://wonderfulengineering.com/water-cooled-72000-lumen-diy-flashlight-can-illuminate-exterior-entire-building/

https://en.wikipedia.org/wiki/Lumen

https://en.wikipedia.org/wiki/Luminiferous_aether

https://en.wikipedia.org/wiki/Lumen_(unit)

https://en.wikipedia.org/wiki/Lumen_gentium

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