 Amaloid fibrils have been used to create new materials such as films, but they are difficult to make on a large scale because of their brittle nature. A team of researchers has developed a way to make these films by using electrostatic assembly at the air-water interface. The team was able to use this technique to incorporate other materials like carbon nanotubes and iron oxide particles into the film. These materials can be used to create a variety of applications including a magnetically controlled soft robotic swimmer and a highly sensitive magnetic sensor. This article was authored by Yang Yang Han, Yiping Chao, Jiang Tao Zhou, and others.