MRI-guided radiotherapy (MRIgRT) systems have the capacity to acquire functional, quantitative images in addition to the anatomical images required for online treatment guidance. This creates the ...

A Penn State-led research team has unraveled the long-standing mystery of how lightning begins inside thunderclouds. Their findings offer the first quantitative, physics-based explanation for ...

The abstract expressionist paintings of Jackson Pollock reveal that the American artist was an intuitive master of the laws that govern the flow of liquids under gravity, according to a ...