Optical illusions use light, colour and patterns to cause a viewer to see something that's completely different to reality ...

From shifting colours to phantom rays, these five challenges reveal how easily your mind can be fooled by light, contrast, and clever design.

Strong gravitational lenses can magnify and even create several copies of the background image. Recently, a team of scientists discovered a rare, quadruply-lensed supernova, copied four times.

The James Webb Space Telescope has captured an exoplanet no one had seen before. This marks a turning point in space ...

The magic of light: Dozens of images hidden in a single screen. ScienceDaily . Retrieved July 12, 2025 from www.sciencedaily.com / releases / 2025 / 05 / 250527124546.htm ...

Engineered light waves enable rapid recording of 3D microscope images. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2022 / 03 / 220308102810.htm ...

This causes the light from the background object to take different paths to Earth, and thus a single object can appear in several different locations distributed around the lens.

Webb’s image (in mid- and near-infrared light) cuts right through the dust, revealing more details. Image: ESA/Webb, NASA & CSA, L. Armus & A. Evans; CC BY 4.0 Acknowledgement: R. Colombari The ...