8A30.45 - Distortion due to Refraction
Fill bowl with clear filtered water. Dip the ellipse transparencies into the water and observe the distorted images.
- Neil M. Shea and John Loomis, "Estimating the Effective Depth of the Atmosphere Using The Old Farmer's Almanac", TPT, Vol. 35, # 2, p. 90 Feb. 1997.
- Janice VanCleave, "Twinkling Star", 202 Oozing, Bubbling, Dripping, & Bouncing Experiments, pp. 15.
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