As Venus approaches its inferior conjunction, astrophotographers have snapped some striking shots of the crescent planet ...

2, yields a rainbow spectrum illustrating the white ... that previously did not have access to such a broad and bright light source. Innovative applications of fibre-laser supercontinuum sources ...

The falls opened in 1930 with a spectacular evening dedication that featured a multi-hued light display ... thus the name “Rainbow Falls.” The lights don’t work nowadays, but both the waterfall and ...

Bright scarlet snouts ... Mantis shrimps can detect UV light, and have 16 photoreceptors, compared to the three colour-detecting receptors humans have: green, blue and red. Our three photoreceptors ...