The physics of Mn emission in nanocrystals is one of the most intriguing emissions and its origin has been debated for several decades. Being a spin and orbital forbidden excitation, its intensity has ...

Add Yahoo as a preferred source to see more of our stories on Google. The higher your vantage point, the more likely you’ll see more of the rainbow’s circle. Chen Hui/VCG via Getty Images The legend ...

Can’t get enough rainbows? See photos and videos of double rainbows, moonbows, cloudbows, and more in a Science Friday article! Steven Businger saw this double rainbow outside his home in Hawaii in ...

Rainbows are more than just beautiful—they’re a perfect blend of art and physics. They form when sunlight bends, reflects, and splits inside water droplets, revealing the full color spectrum. From ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Can rainbows form in a circle? – Henry D., age 7 ...