A remarkable aspect of this technology is its ability to project entirely different images depending on both the wavelength (color) and spin (polarization direction) of light. For example, ...

Nichole "Vapor" Ayers shared a fascinating video of the northern lights on X that unexpectedly formed while she was filming from space in May 2025.

Curriculum-linked learning resources for primary and secondary school teachers and students. Videos, games and interactives covering English, maths, history, science and more!