Nobel stamps of approval

Nobel stamps of approval

The British Post Office has joined Sweden, the US, and other postal services in issuing a commemorative set of stamps to mark the centenary of the first award of the Nobel Prizes in 1901. Sweden and the US are, in fact, issuing a stamp carrying exactly the same design; a profile of Alfred Nobel together with his image on one side of the Nobel Prize medals. But the British Post Office has done s...

Improving on Version Stamps

Optimistic distributed systems often rely on version vectors or their variants in order to track updates on replicated objects. Some of these mechanisms rely on some form of global configuration or distributed naming protocol in order to assign unique identifiers to each replica. These approaches are incompatible with replica creation under arbitrary partitions, a typical operation mode in mobi...

Radiology on postage stamps.

Biologists in stamps

These UK stamps were issued in (clockwise, from top right) 1965, 1982 and 1996, to commemorate the centenary of Joseph Lister's discovery of antiseptic surgery, the centenary of the death of Charles Darwin, and the work of crystallographer Dorothy Hodgkin (who is backed by her model of vitamin B 12). The Hodgkin stamp is one of a series entitled Twentieth Century Women of Achievement, which inc...

Stamps in cardiology.

2 Alam M. The atrioventricular plane displacement as a means of evaluating left ventricular systolic function in acute myocardial infarction. Clin Cardiol 1991;14:588-94. 3 Alam M, Hoglund C, Thorstrand C, Hellekant C. Haemodynamic significance of the atrioventricular plane displacement in patients with coronary artery disease. Eur Heart Jf 1992;13: 194-200. 4 Alam M, Hoglund C, Thorstrand C. L...