What foods and drinks look like — the colors we see before the first morsels or sips hit our tastebuds — have mattered to ...

Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

How about being able to see things normally completely outside the visual spectrum, like hydrogen combustion or electrical discharges? [David Prutchi] has just shared his incredible work on ...

A rainbow contains all the colours of the visible spectrum. It is often possible to see a secondary bow, which is slightly larger and fainter than the first – and the colours are in the opposite ...

Researchers at The University of Manchester’s National Graphene Institute have created optical devices with a unique range of tunability, covering the entire electromagnetic spectrum, including ...