Lesson plan
4Pi
4Pi may refer to: * IBM System/4 Pi, a family of avionics computers * 4Pi microscope, a microscope that uses interference and fluorescence computers * 4×π = 12.56637..., the solid angle of a complete sphere measured in steradians * Hermetic detector (also called a 4π detector)
Article summary
4Pi may refer to: * IBM System/4 Pi, a family of avionics computers * 4Pi microscope, a microscope that uses interference and fluorescence computers * 4×π = 12.56637..., the solid angle of a complete sphere measured in steradians * Hermetic detector (also called a 4π detector)
Key claims
No claims recorded.
Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.