Have you ever wondered what the invisible world of radio waves might look like if you could actually see it? Rootkid explains how his project, the Spectrum Slit, transforms the unseen chaos of ...

The Northern Lights are putting on a show for Martin Luther King Jr. Day, delivering a beautiful display of light across several U.S. states. Here's how to watch the aurora borealis this week.

Abstract: Commercial light-emitting diodes (LEDs) offer fixed lighting patterns with limited canopy coverage, creating a mismatch with dragon fruit's dynamic photosynthetic and phenological needs. To ...

Plant responses to light are multiple. Light is an energy source, converted to sugars by photosynthesis. It is also a signal sensed by specific photoreceptors for red, blue and UV-B radiation. Absence ...