Physicists make laser beams visible in vacuum

A beam of light can only be seen when it hits matter particles and is scattered or reflected by them. In a vacuum, however, it is invisible. Physicists have now developed a method that allows laser beams to be visualized even under these conditions. Th…

Central European prehistory was highly dynamic

Recent archaeogenetic studies have shown that human movements like migrations and expansions played a major role in driving the spread of cultures and genes in ancient Europe. However, it is only now with detailed regional studies and dense sampling th…

Creation of the most perfect graphene

Researchers have achieved growth and characterization of large area, single-crystal graphene that has no wrinkles, folds, or adlayers. It can be said to be the most perfect graphene that has been grown and characterized, to date.