Comment Comment by colanderman > Traditional incandescent bulbs have a ‘colour rendering index’ rating of 100, because they match the hue of objects seen in natural daylight.> Previously researchers have warned that the blue light emitted by modern bulbs could be stopping people from getting to sleep at nightThese two sentences do not go together. Daylight contains LOTS of blue light.5 seconds of research into CRI says that the first sentence is false. CRI compares a light source to an ideal black body, not necessarily daylight. parent colanderman 10 years ago
> Previously researchers have warned that the blue light emitted by modern bulbs could be stopping people from getting to sleep at night
These two sentences do not go together. Daylight contains LOTS of blue light.
5 seconds of research into CRI says that the first sentence is false. CRI compares a light source to an ideal black body, not necessarily daylight.