Lesson plan

Amber shift

Amber shift is a phenomenon of incandescent light bulbs in which the colour temperature decreases (appears more amber) as the current through the lamp decreases, which simultaneously dims the output. In the context of amber shift, brightness is measured as a percent of the lamp's maximum brightness.

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Article summary

Amber shift is a phenomenon of incandescent light bulbs in which the colour temperature decreases (appears more amber) as the current through the lamp decreases, which simultaneously dims the output. In the context of amber shift, brightness is measured as a percent of the lamp's maximum brightness.

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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