Lecture 11: Radiometry and Photometry (26)
et-yao

How is "brightest sunlight" defined? Is this at Earth's surface?

gabby-delforge

@et-yao:

Yes, this represents the brightest sunlight we experience as humans on the Earth's surface.

SourMongoose

Are there any man-made tools that can achieve a higher illuminance than sunlight? What's the highest lux value that has been achieved?

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