How Knowledge Is Assembled: A Science Educator's Guide to Evaluating AI Water Use Claims
W. Alex Foxworthy, in an essay featured on 3 Quarks Daily, examines the challenges students face in determining the accuracy of information, highlighted by a student's inquiry regarding AI's water usage. Despite being digital natives, students often struggle with evaluating claims. Foxworthy presents the five steps of the scientific method but stresses the importance of thorough comparisons, referencing historical instances such as John Philoponus's sixth-century experiment and the British streptomycin trial from 1948. He applies five evaluative questions to the water consumption assertion, mentioning a 2023 study that estimates half a liter for 20-50 queries and a 2024 Washington Post figure of 519 milliliters for a 100-word email generated by GPT-4. He concludes that the bottle-per-question assertion is not viable, recommending systematic reviews for trustworthy information.
Key facts
- The essay is by W. Alex Foxworthy, published on 3 Quarks Daily.
- A student asked if every chatbot question uses a bottle of water.
- Foxworthy teaches science to non-majors and discusses the scientific method.
- John Philoponus in sixth-century Alexandria tested Aristotle's theory of falling bodies.
- The Royal Society was founded in London in 1660.
- Philosophical Transactions began publication in 1665.
- A 2023 study by UC Riverside and UT Arlington estimated half a liter of water for 20-50 queries.
- Google reported median Gemini Apps text prompt in May 2025 consumed 0.26 milliliters of water.
- Epoch AI analysis in February 2025 estimated 0.3 watt-hours for a typical GPT-4o text query.
- Open Science Collaboration replicated 100 psychology studies in 2015; only 36% of replications had statistically significant results.
- Lawrence Berkeley National Laboratory estimated U.S. data centers directly consumed 66 billion liters of water in 2023.
- U.S. Geological Survey estimated irrigation consumed approximately 100 trillion liters in 2015.
Entities
Institutions
- 3 Quarks Daily
- University of California, Riverside
- University of Texas at Arlington
- Epoch AI
- Washington Post
- Open Science Collaboration
- Lawrence Berkeley National Laboratory
- U.S. Geological Survey
- Royal Society
- Cochrane
- National Academies
- IPCC
Locations
- Alexandria
- London
- The Dalles, Oregon
- United States