Neurological Advertisements on Stamps

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.

Medical philately (Medical Theme on Stamps).

His chief work was in connection with nerve action. Since Galvani’s time, it was known that the nerve impulse was electrical in nature. Loewi, however, demonstrated that chemical phenomena were also involved. In 1921, working with nerves attached to frog’s heart, he showed that chemical substances were set free, when the nerve was stimulated. The fluid containing the substance could be used to ...

Medical philately (medical personalities on stamps).

A history of tuberculosis on stamps.

Tuberculosis, only a few decades ago, was believed to be under control and decreasing in incidence, in both developed and developing countries. A number of scientists and physicians have contributed to the understanding of tuberculosis and have been honored on postage stamps by several countries around the world. This article contains brief histories of these individuals and depictions of the p...