Archimedes

History Month 2023: Eureka!

Written in: Dutch • Randy Koo • October 1, 2023

Every year, the month of October is filled with activities of the Month of History. This year's theme is: Eureka! A theme with an emphasis on science. More than 100 organizations are organizing lectures, exhibitions, walks, and more in all provinces...

Pi Day March 14, 2021

Written in: Dutch • Randy Koo • March 17 2021

On Pi Day, March 14, celebrations were held worldwide at various university mathematics departments. Pi Day is celebrated on March 14 because, in the American date format, March 14 is written as 3/14 and the three-digit approximation for pi is 3,14....

Sjaak Van Tiel over 40 Years of Collecting Postage Stamps (1986): I have many old stamps (strips), mainly from municipalities (including some that no longer exist) and a few from – I think – the royal family. Perhaps also Veldp…

Written in: Dutch

Peter over Delta Works: The Netherlands and water with climate adaptation: Thank you very much for the nice explanation of the design.

Written in: Dutch

Annet Hogendoorn over The piss-pots of Tilburg: Another super fun blog post, and educational :)

Written in: Dutch

Lars over Delft Blue Ceramic stamp a 'deception stamp': Now just get those blueprints out of the catalog..

Written in: Dutch

Erik Boeré over Delft Blue Ceramic stamp a 'deception stamp': The best solution is probably to ignore the ceramics stamp altogether. Fortunately, as the NVPH/Catalog Committee, we already have…

Written in: Dutch

Yvonne Kruse over The piss-pots of Tilburg: What a nice article, Willem!

Written in: Dutch