Life cycle of soap bubble

Numéro d’image : 13426168
Life cycle of soap bubble
Life cycle of soap bubble iridescence. Time-lapse colour macro photographs showing columns of equally-sized soap bubbles in a cylindrical, glass tube. Iridescence is a property where certain surfaces change colour depending on the angle of light refraction or reflection, or the angle of view. The colours are due to interference of light waves reflected from the upper and lower surfaces of the soap bubble film. The interference patterns appear as bands of colour, related to the thickness of the film. Thicker walls cause interference at longer (redder) wavelengths, so appear bluer and greener. As the film thins by evaporation, the reflected light cancels out yellow then green then blue light, appearing blue, magenta and golden yellow, before becoming too thin to support itself, and popping.
Licence : Droits gérés
Crédit: Science Photo Library / Cox, Kym
Taille de l’image : 8348 px × 6150 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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