Weizmann Institute of Science in Israel proposed the term "photochromism". Photochromism can take place in both organic and inorganic compounds, and...
20 KB (2,435 words) - 04:31, 24 June 2024
Photochrom, Fotochrom, Photochrome or the Aäc process is a process for producing colorized images from a single black-and-white photographic negative via...
9 KB (939 words) - 12:02, 13 July 2024
Spiropyran (section Photochromism)
the ring is opened. The photochromism is due to electrocyclic cleavage of the C-spiro-O bond with photoexcitation. Photochromism is the phenomenon that...
10 KB (1,254 words) - 12:51, 10 February 2024
caused by heat, light or pH, resulting in examples of thermochromism, photochromism and halochromism, respectively. Irreversible transformations typically...
4 KB (473 words) - 04:35, 5 June 2024
Edo, 1865 or 1866. Photochrom print. Five albumen prints joined to form a panorama. Photographer: Felice Beato....
220 KB (18,330 words) - 14:38, 17 September 2024
ZEISS, Serengeti Eyewear, and Persol provide tinted lenses that use photochromism to go from a dark to a darker state. They are typically used for outdoor...
6 KB (712 words) - 19:59, 21 August 2024
List of art techniques Proton beam writing, lithography using MeV ions Photochrom Photogravure Photolithography Theodore Regensteiner, inventor of the four-color...
23 KB (2,890 words) - 22:49, 16 September 2024
Photochrom of the Blackpool promenade c. 1898...
98 KB (11,537 words) - 13:16, 5 September 2024
The Bayreuth Festspielhaus: photochrom print of c. 1895...
121 KB (14,240 words) - 15:55, 9 September 2024
optically pumped lasers, sensitized solar cells, luminescence, and photochromism. Electron excitation is the movement of an electron to a higher energy...
22 KB (2,502 words) - 14:08, 6 September 2024