Light is more than what we see. The Sun sends out a number of waves of light in different wavelengths. Find out about wavelengths and the electromagnetic spectrum. Science Trek is available to stream ...

How do you find the quality of the light a light bulb produces? Using the color rendering index, a measure of how well a light bulb illuminates a range of colors. Appliance Science looks at the ...

When it comes to appearances, the universe is a tricky place. Visible light occupies merely a sliver of the electromagnetic (EM) spectrum. To study the cosmos in its entirety, scientists must peer ...

When you look up at the night sky, it seems deep black with bright stars scattered across it. That familiar view leads many ...

One of my favorite things about science is how a very simple question can lead you down a rabbit hole. Here’s one for you: What color is the sun? Most people, I’d wager, would say yellow. You probably ...

Originally setting out to design safety glasses for use during laser surgeries, materials scientist Don McPherson instead designed a lens that enables color-blind wearers to see the full light ...

Daniel Hanley received funding from the National Geographic Society. Vera Vasas does not work for, consult, own shares in or receive funding from any company or organization that would benefit from ...