Search results
Results from the WOW.Com Content Network
The Mausoleum of Galla Placidia was decorated with mosaics of high artistic quality in 425–430. The vaults of the small, cross-shaped structure are clad with mosaics on blue background. The central motif above the crossing is a golden cross in the middle of the starry sky.
This is an accepted version of this page This is the latest accepted revision, reviewed on 16 January 2025. Variety of the color blue For other uses, see Shades of Blue (disambiguation). "Shade of Blue" redirects here. For the song by Black Rebel Motorcycle Club, see Shade of Blue (song). For the R&B/funk band, see Shade of Blue (band). Blue Wavelength 440–490 nm Common connotations ...
The photograph depicts a lush green rolling hill with cirrus clouds during a daytime sky, with mountains far in the background. [1] [2] It was taken by Charles O'Rear, a former National Geographic photographer and resident of St. Helena, California, in the Napa Valley region north of San Francisco, while on his way to visit his girlfriend in ...
Ultramarine is a deep blue color pigment which was originally made by grinding lapis lazuli into a powder. [2] Its lengthy grinding and washing process makes the natural pigment quite valuable—roughly ten times more expensive than the stone it comes from and as expensive as gold.
The nobility wore red or purple, while only the poor wore blue clothing, colored with poor-quality dyes made from the woad plant. Blue played no part in the rich costumes of the clergy or the architecture or decoration of churches. This changed dramatically between 1130 and 1140 in Paris, when the Abbe Suger rebuilt the Saint Denis Basilica.
Blue and white ware did not accord with Chinese taste at that time, the early Ming work Gegu Yaolun (格古要論) in fact described blue as well as multi-coloured wares as "exceedingly vulgar". [16] Blue and white porcelain however came back to prominence in the 15th century with the Xuande Emperor, and again developed from that time on. [14]
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
In 1993, high-brightness blue LEDs were demonstrated by Shuji Nakamura of Nichia Corporation. [16] [17] [18] In parallel, Isamu Akasaki and Hiroshi Amano of Nagoya University were working on a new development which revolutionized LED lighting. [19] [20] Nakamura was awarded the 2006 Millennium Technology Prize for his invention. [21]