Lasers are known for the monochromatic nature of their light ... the entire visible spectrum. It’s great to see projects like this that leverage low-cost, easy-to-source equipment to explore ...

Greetings, stargazers. Spring is galaxy season for many amateur astronomers. However, when looking through an eyepiece instead of a camera for astrophotography, you might think of this as the season ...

Adding lamps, string lights, and other outdoor lighting is a great way to make your yard and porch look charming and inviting ...

White-light sources based on reliable and energy-efficient ... two or more wavelengths are required to generate a broad spectrum of light that is a better approximation of a black-body radiation ...

are also light sources. They make their own light to attract mates to breed with. We can split white light into a spectrum of colours using glass prisms or the reflective side of a CD. Most ...