A drinking straw is immersed in a glass of water to demonstrate optical refraction. This illusion is due to the difference in the refractive index between water and air.
Crédit: Album / Science Source / GIPhotoStock
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Taille de l'image: 3396 × 5112 px | 49.7 MB
Taille d'impression: 28.8 × 43.3 cm | 1337.0 × 2012.6 in (300 dpi)