Researchers developed a novel tunable ultrasonic liquid crystal light diffuser that allows changing the diffusion direction It is no mystery that light is essential to human life. Since the discovery ...

I TOOK advantage of a recent opportunity to make some observations on polarisation of the diffused light in sea-water, using a detector consisting of four quartz prisms made up on the De Senarmont ...

Artificial night-time light confuses a colour-changing coastal woodlouse, new research shows. The sea slater is an inch-long woodlouse that lives around the high-tide line and is common in the UK and ...

To the eye the zodiacal light looks like an enormous, wedge-shaped pillar of diffuse light slanting upward from the eastern horizon and extending halfway up the sky. The faint "finger" of the zodiacal ...