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Why does a straw look bent in water, and why do sunsets turn orange? Learn how refraction, scattering, and diffraction explain everyday light.
May 6, 2026
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Why does a straw look bent in water, and why do sunsets turn orange? Learn how refraction, scattering, and diffraction explain everyday light.
Charles De Lisi, PhD.
Metcalf Professor of Science and Engineering
Boston University
College of Engineering
Boston, MA