Scientists from the Celestial Empire have created a miniature fish robot, the main and only purpose of which is to clean the seas and oceans from microplastics. Ordinary plastic is bottles, cups,bags, tires, synthetic clothing. Microplastics are billions of tiny particles that are separated from the above items and represent an environmental problem of the 21st century, since it is extremely problematic to detect and clean them. However, apparently, scientists from Sichuanuniversities were able to find a way out by offering an interesting option - a self-propelled fish with a size of only 13 millimeters. The robot is capable of...