Telescopes are specialist optical instruments that have been around for over 400 years and are useful for many applications including seafaring, military operations and especially stargazing. But not ...

THE Yerkes Observatory, which has recently been completed and inaugurated, contains in its instrumental equipment the largest refractor in the world, the diameter of the object-glass spanning 40 ...

Optical telescopes utilize refraction and reflection to focus light, enabling detailed astronomical observations and ...

When night falls, you can stand almost anywhere in the San Gabriel Valley, look to the north at Mt. Wilson in the distance, and you’ll see the glowing lights of TV and radio antennas spiking into the ...

Home to the world’s largest refracting telescope, the Yerkes Observatory in Wisconsin was so influential that Albert Einstein insisted on visiting. Now you can too. Sometimes called “the birthplace of ...

GREENVILLE, S.C. (FOX Carolina) - Did you know one of the largest telescopes of its kind in the nation is right here in Greenville? Nestled at the highest point of the Roper Mountain Science Center, ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Reflecting telescope made in the ...

The Dragonfly Telephoto Array installed in New Mexico. It presently uses 48 Canon 400mm lenses (in two arrays), but that number will be increasing by quite a bit. Image by Pieter van Dokkum, Yale ...

Dr. Michael White, the traditional New Orleans jazz clarinetist, is a virtuoso at his craft. If a new documentary film called City of a Million Dreams receives as wide an audience as it deserves, ...

During this holiday season, something magical happened near Lake Geneva in southeastern Wisconsin. A crew constructed what it believes to be the world’s tallest tree made of glimmering glass. The feat ...