| Author |
 Replies: 92 / Views: 48,712 |
|
|
|
Bedrock Of The Community
United States
28576 Posts |
|
|
Japan Third International Conference on Superconductivity July 19, 1991 The design shows 3D model of a portion of the unit cell of lanthanum barium copper oxide (LBCO), the first high temperature superconductor discovered in 1986.  |
Send note to Staff 
|
| Edited by KuoLC5310 - 10/22/2022 09:28 am |
|
|
Bedrock Of The Community
United States
28576 Posts |
|
|
Japan Milestone Events September 21, 1965 This stamp introduces Tokai Atomic Power Station, the first commercial nuclear power plant in Japan. The design includes a ball-and-stick model of the crystal structure of uranium.  |
|
Send note to Staff
|
|
|
Bedrock Of The Community
United States
28576 Posts |
|
|
Canada Nobel Prize Winners October 4, 2004 Set of two, one stamp depicts ball-and-stick model of methylene molecule, one of the free radicals discovered by German-Canadian chemist Gerhard Herzberg (1904-1999).  |
|
Send note to Staff
|
|
|
Bedrock Of The Community
United States
28576 Posts |
|
|
Israel International Year of Chemistry January 4, 2011 This stamp depicts a 3D model of ubiquitin, a small protein structure composed of alpha-helices and beta-strands.  |
|
Send note to Staff
|
| Edited by KuoLC5310 - 11/16/2022 6:55 pm |
|
|
Bedrock Of The Community
United States
28576 Posts |
|
|
Dr. Ana Mayer Kansky November 10, 2022 The design includes ball-and-stick models of formaldehyde, an organic compound used in the research work by Slovene female chemist Ana Kansky (1895-1962).  |
|
Send note to Staff
|
|
|
Bedrock Of The Community
United States
28576 Posts |
|
|
This United States 1976 Chemistry FDC (House of Farnum) shows a 3D model of 1,2,3-Trimethylcyclobutane.  |
|
Send note to Staff
|
|
|
Bedrock Of The Community
United States
28576 Posts |
|
|
This Sweden 1988 Nobel Prize Winners FDC shows ball model of a small portion of a branched polymer.  |
|
Send note to Staff
|
|
|
Bedrock Of The Community
United States
28576 Posts |
|
|
Poland Astana EXPO 2017 June 16, 2017 The stamp and tag depicts structure of graphite where carbon atoms are arranged in flat sheets of hexagonal rings.  |
|
Send note to Staff
|
|
|
Bedrock Of The Community
United States
28576 Posts |
|
|
Austria 100th Anniversary of the Death of Josef Loschmidt June 26, 1995 The special cancellation shows a 2D ball model of acetic acid, the main component of vinegar.  |
|
Send note to Staff
|
| Edited by KuoLC5310 - 02/21/2025 12:25 pm |
|
|
Bedrock Of The Community
United States
28576 Posts |
|
|
Belgium Belgian Inventors April 7, 2025 The stamp shows Belgian chemist Ernest Solvay (1838-1922) with a ball-and-stick model of sodium carbonate, a cleansing agent for domestic uses.  |
|
Send note to Staff
|
|
|
Bedrock Of The Community
United States
28576 Posts |
|
|
Israel 70th Anniversary of the Weizmann Institute of Science November 26, 2019 The design includes a ball-and-stick model of acetone, an organic compound which can be mass produced by the Weizmann process.  |
|
Send note to Staff
|
| Edited by KuoLC5310 - 03/19/2025 12:45 pm |
|
|
Bedrock Of The Community
United States
28576 Posts |
|
|
India Ram Chand Paul Karch 6, 2019 The stamp and FDC portrays ball-and-stick models of inorganic ring compounds and related polymers.  |
|
Send note to Staff
|
| Edited by KuoLC5310 - 08/07/2025 08:06 am |
|
|
Bedrock Of The Community
United States
28576 Posts |
|
|
Slovakia 2014 International Year of Crystallography The stamp, under UV light, reveals ball model of structure of tantalum-germanium-tellurium (Ta-Ge-Te) alloy.  |
|
Send note to Staff
|
|
|
Bedrock Of The Community
United States
28576 Posts |
|
|
Belgium August Kekulé 1829 - 1896 July 9, 1966 The postmark on FDC shows structure of benzene molecule.  |
|
Send note to Staff
|
|
|
Bedrock Of The Community
United States
28576 Posts |
|
|
Czechoslovakia International Symposium of Macromolecular Chemistry August 20, 1965 The stamp shows ball model of carbon atoms, the fundamental building blocks of macromolecules.  |
|
Send note to Staff
|
|
|
Replies: 92 / Views: 48,712 |
|
Posted 10/22/2022 12:14 am
