• Thumbnail for Photochromism
    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) - 14:14, 23 September 2024
  • Thumbnail for Photochrom
    Photochrom, Fotochrom, Photochrome or the Aäc process[citation needed] is a process of hand-colouring photographs from a single black-and-white negative...
    9 KB (936 words) - 06:13, 1 November 2024
  • 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
  • Thumbnail for Leuco dye
    caused by heat, light or pH, resulting in examples of thermochromism, photochromism and halochromism, respectively. Irreversible transformations typically...
    4 KB (473 words) - 19:48, 27 October 2024
  • Thumbnail for Tokyo
    Edo, 1865 or 1866. Photochrom print. Five albumen prints joined to form a panorama. Photographer: Felice Beato....
    213 KB (17,881 words) - 18:28, 1 November 2024
  • Thumbnail for Lithography
    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) - 05:08, 2 November 2024
  • Thumbnail for Photochromic lens
    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
  • Thumbnail for Tourism
    Photochrom of the Blackpool promenade c. 1898...
    98 KB (11,513 words) - 13:26, 2 November 2024
  • Thumbnail for Richard Wagner
    The Bayreuth Festspielhaus: photochrom print of c. 1895...
    121 KB (14,242 words) - 14:21, 27 October 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
  • Thumbnail for Antwerp
    Antwerp and the river Scheldt, photochrom, c. 1890–1900...
    104 KB (10,057 words) - 01:48, 23 October 2024
  • Thumbnail for Bath, Somerset
    19th-century photochrom of the Great Bath at the Roman Baths. The entire structure above the level of the pillar bases is a later construction and was...
    155 KB (14,902 words) - 23:50, 18 October 2024
  • colors by photography.[Note] Photochromy is not to be confused with photochromism (photochromics), a reversible color change induced by light energy (previously...
    2 KB (220 words) - 06:55, 1 November 2024
  • Thumbnail for Monaco
    Photochrom of Monaco circa 1900...
    173 KB (14,576 words) - 09:45, 4 November 2024
  • Thumbnail for Amsterdam
    Photochrom of Amsterdam's Dam Square at the beginning of the 20th century...
    198 KB (18,478 words) - 04:15, 2 November 2024
  • Thumbnail for Photoexcitation
    possible for materials to act as lasers. Photochromic applications. Photochromism causes a transformation of two forms of a molecule by absorbing a photon...
    5 KB (693 words) - 22:39, 3 November 2023
  • a change of temperature. This is the most common chromism of all. photochromism is induced by light irradiation. This phenomenon is based on the isomerization...
    13 KB (1,319 words) - 06:03, 25 July 2024
  • Thumbnail for Brighton
    Photochrom of Brighton aquarium, 1890–1900...
    157 KB (14,914 words) - 12:36, 4 November 2024
  • Thumbnail for Chester
    Photochrom of the Chester Rows designed by T.M. Lockwood, as seen from the Cross, 1895...
    122 KB (12,150 words) - 12:49, 5 November 2024
  • Thumbnail for South West England
    A 19th-century Photochrom of the Roman Baths in Bath, Somerset...
    178 KB (17,348 words) - 00:08, 19 October 2024
  • make corrective lenses darken when exposed to ultraviolet light (see photochromism). Silver halides, except for silver fluoride, are very insoluble in...
    7 KB (874 words) - 12:16, 21 July 2024
  • Thumbnail for Muster (livestock)
    An 1898 photochrom of a roundup near Cimarron, Colorado, USA...
    13 KB (1,779 words) - 03:31, 17 November 2023
  • Thumbnail for Edo period
    Edo, 1865 or 1866. Photochrom print. Five albumen prints joined to form a panorama. Photographer: Felice Beato....
    89 KB (10,940 words) - 19:36, 30 October 2024
  • Thumbnail for Reindeer
    A team pulling a sled near Arkhangelsk, Russia, late 19th-century photochrom...
    202 KB (22,076 words) - 13:55, 2 November 2024
  • Thumbnail for Battleship
    Pre-Dreadnought USS Texas, built in 1892, was the first battleship of the U.S. Navy. Photochrom print c. 1898....
    91 KB (11,369 words) - 09:55, 27 October 2024
  • Thumbnail for Samurai
    Edo, 1865 or 1866. Photochrom print. Five albumen prints joined to form a panorama. Photographer: Felice Beato....
    133 KB (16,337 words) - 16:03, 4 November 2024
  • Thumbnail for Bergen
    A historic photochrom of Bergen near the end of the 19th century. Visible are Bergen Cathedral (Domkirken) in the bottom left corner, Holy Cross Church...
    124 KB (9,337 words) - 23:41, 3 November 2024
  • Thumbnail for Amusement park
    Photochrom of the Promenade c. 1898...
    64 KB (7,346 words) - 07:39, 27 September 2024
  • HABI reverts to colorless just as fast as the UV light is off. Photochromism Photochromism of a Radical Diffusion-Inhibited Hexaarylbiimidazole Derivative...
    949 bytes (119 words) - 19:39, 27 October 2022
  • Thumbnail for Tromsø (city)
    Photochrom print from Tromsø, 1900...
    40 KB (3,800 words) - 05:48, 29 October 2024