Klaus Roth concludes his look at espresso with a scrutinizing glance at the foamy, consolidated surface layer, the crema
Espresso – A Feast for the Senses
Espresso – A Three-Step Preparation
Klaus Roth proves that no culinary masterpiece can be achieved without a basic knowledge of chemistry
Obtaining the Keys to the Middle East
"First make sure you both want to get married, then go to the mayor" - key advice on how the chemical industry can succeed in the Middle East