How to reverse unknown quantum processes

In the world around us, processes appear to follow a certain time-direction: Dandelions eventually turn into blowballs. However, the quantum realm does not play by the same rules. Physicists from the University of Vienna ...

Obtaining color images from the shadow of a sample

A research team at the University of Göttingen has developed a new method to produce X-ray images in color. In the past, the only way to determine the chemical composition of a sample and the position of its components using ...

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