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 ...

In the near term, things will remain red, yellow, and green, but this white light concept proves that AVs will one day upend ...

Can color affect the way we feel? Scientists say yes. Learn why McDonald’s uses yellow in its packaging and why stop signs are red. Science Trek is available to stream on pbs.org and the free PBS App, ...

Light and Color is a 14-minute educational film produced by Encyclopedia Britannica Educational Corporation (EBEC). The film explains the nature of color, its relationship to light, and why objects ...

Researchers at North Carolina State University have proposed a fourth traffic light color that could save fuel and make ...

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 ...

During a total solar eclipse, people may see some strange things. Sure, there’s the main event happening in the sky (SN: 1/4/24). But the world may also look a little different on the ground. For a ...