![White light from a lamp thumbnail](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/afterimages/2023/23-06-01_1.jpg?t=638430689671083158)
White light from a lamp
The objective lens of a digital projector is illuminated with white light from a lamp. The interaction of light propagating through the lenses and separating into different colors is captured by a mobile-phone camera.
—Yareli Navarro-Martínez, Erika Nohemí Hernández-Escobar and Miguel Ángel Bello-Jiménez, Universidad Autónoma de San Luis Potosí, Mexico