[ad_1] A nanometer is one billionth of a meter, 20 times larger than a hydrogen atom. Electron microscopes can probe the 1-nanometer scale, with a resolution of 0.05 nanometers. Bacteria range from 300 to 5,000 nanometers, while viruses and other entities are smaller. Eukaryotic cells are about 5,000 to 100,000 nanometers in diameter. Nanoscience and […]