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Corrosion is a global problem. Steel structures in particular are affected, such as bridges and load-bearing structures, but also industrial plants, railway tracks, pipelines, vehicles, and machinery. In 2009, the …

The “Archimedean screw,” invented by the ancient mathematician and engineer Archimedes of Syracuse (c. 287–212 BC) and named after him, was used for irrigating fields and can be regarded as …

Screws, Nuts, and Threads – a Brief Overview What do a toothpaste tube, a jar of jam, a water bottle, and a light bulb have in common? A screw connection. …

Releasing What Was Once Firmly Bonded “They stick together like pitch and sulphur” – this well-known saying describes the behaviour of many industrial, plastic and polymer adhesives: the aim is …

How Hydroxide and Hydronium Ions Ensure Cleanliness in the Bathroom Hygiene plays a more important role than ever in the current situation. Regular hand washing, social distancing, respiratory hygiene and …

How Hot Is It Really? The air that surrounds us everywhere affects our comfort and well-being through its temperature. If it is too hot or too cold, we feel uncomfortable. …

Acids and bases matter far beyond the laboratory and the chemical industry. In many other fields, the acidic or basic nature of aqueous solutions and mixtures shapes our everyday world. …

« Sample Preparation in the Biochemical Laboratory » The centrifuge is indispensable in any biochemical laboratory. Whether you work with cells, proteins or DNA, one moment always arrives: unwanted components …

The group known as “rare earth elements” has always seemed somewhat enigmatic. This is certainly due to its name, but also to the fact that these elements occupy a special …

In 2011, people became ill, and some even died as a result of an EHEC outbreak—an intestinal infection caused by the enterohemorrhagic Escherichia coli bacterium. The cause was fenugreek sprouts …