Microplastics are an issue that doesn’t appear to be going away anytime quickly. Microplastics are small plastic items which can be lower than 5 millimeters huge — about one-eighth of an inch. There’s a subcategory of microplastics known as nanoplastics, that are even smaller. Nanoplastics vary from one nanometer in dimension to 1 micrometer (μm). To place that into perspective, the width of a single human…