Charged particle

Dresden cancer researchers are looking to cut the overall size of the facility for cutting-edge proton therapy against cancer in half – and to cut costs by doing so. Diagram: Umar Masood
Compact proton therapy for fight against cancer
Overall neutral IPCs do not assemble in the vicinity of a charged bottom wall which attract the patches (left), assemble into a close packed structure when the substrate is neutral (centre), and form open aggregates when the wall attract the equators (right). (Copyright: American Chemical Society/ACS 2014)
Nano World: Where towers construct themselves