The news is dominated by future hydrogen applications, such as hydrogen instead of gas flowing through our current gas pipelines. This is possible with some modifications to your central heating boiler. But there have also been successful hydrogen applications in the past that we have forgotten....
The periodic table of the elements is celebrating its 150th anniversary. A century and a half ago (1869), the chemist Dimitri Mendeleev, originally from Tobolsk (Siberia) and teaching in Saint Petersburg, published a classification of the elements. Since then, many stamps have been issued about...
Auguste Beernaert In the column “In short 94”, a plea by Hero Wit to honor Dutch Nobel Prize winners with postage stamps, a call I gladly support. He made this appeal as an introduction to the piece about Tien...
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