Scientists at the Helmholtz Center Berlin (HZB) claim to have produced a perovskite/silicon tandem solar cell with a world record efficiency of 29.80%. The result, which has been certified by ...
A curious cloud photographed over Smith Mountain in Virginia this week looks more like something out of a fairytale or painting than it does in real life — and the science behind the formation is ...
Caitlin O'Kane is a New York City journalist who works on the CBS News social media team as a senior manager of content and production. She writes about a variety of topics and produces "The Uplift," ...
A woman in Calgary, Alberta, Canada, saw a strange, wavy cloud in the sky on Feb. 22, 2025, and took to X, formerly known as Twitter, to crowdsource an answer. "Does anyone know what is happening here ...
LOUISVILLE, Ky. (WAVE) - There are many unique cloud formations across our planet, but one that stands out is a Kelvin-Helmholtz cloud. Kelvin-Helmholtz waves are “vertical waves in the air associated ...
Sea waves break as their bases are slowed down upon reaching shallow water and their crests surge ahead. Cloud waves break in the same way. The difference in air currents, or shear, will cause the ...
Though he was considered a scientific colossus well into the 20th century, Hermann von Helmholtz (1821-94) is now unfamiliar to many educated people, even those interested in science. Yet Sigmund ...
Best known for his study of electricity, Helmholtz also was a pioneer in the study of color. He extended the theory of Young that color could be represented by combinations of only three colors, as ...