How do plants use sunlight to make their own food? We use light for more than just to see. We can use light’s energy to make electricity, clean water, even dry our clothes. Plants use sunlight to make ...

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 ...

We spend a lot more time thinking about what colors to paint the walls of the rooms that we live in than we do choosing the colors of the light bulbs we use to light those spaces. And that is ...

Veronica Then wore an electroencephalogram, or EEG, cap and stood in front of a black curtain with a white square placed behind her like a target. Studio lights beamed down from the ceiling as a panel ...

When the moon fully eclipses the sun, it's not just the sky that changes. Your eyes do, too. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Engineers are turning what used to be a bulky optics bench into something that fits on the tip of a finger, and the latest photonic chips go a step further by splitting a single laser into a ...

When the moon fully eclipses the sun, it's not just the sky that changes. Your eyes do, too. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.