Engineering

Trajectoids: Creating a shape that rolls along a desired path

Normally, when we think of a rolling object, we tend to imagine a torus (like a bicycle wheel) or a sphere (like a tennis ball) that will always follow a straight path when rolling. However, the world of mathematics and science ...

Computer Sciences

The prototype of a chemical computer detects a sphere

Researchers in Warsaw have developed a system that uses chemistry to make computations. After an appropriate teaching procedure, even a relatively simple chemical system can perform non-trivial operations. In their most recent ...