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Carbon is located in the second period and fourth main group of the periodic table of the elements. This position gives it something of a special role, since it can …

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. …

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. …

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 …

Two Key Characteristics for Hoses and Hose Technology Who doesn’t use them somewhere — hoses — the versatile helpers used in countless applications. They safely transport gases, liquids, and even …

Technical gases reach end users via various routes. Natural gas for energy supply or process gases for the chemical industry are highly compressed and transported over long distances through pipelines …

HPLC stands for High Performance Liquid Chromatography. This technique is used for both preparative and analytical separations. In biochemical research, HPLC is especially useful for preparing and analyzing substances with …