Topmusicanswers
The smallest thing that we can see with a 'light' microscope is about 500 nanometers. A nanometer is one-billionth (that's 1,000,000,000th) of a meter. So the smallest thing that you can see with a light microscope is about 200 times smaller than the width of a hair. Bacteria are about 1000 nanometers in size.
What is the smallest thing we can see with our eyes?
Experts believe that the naked eye — a normal eye with regular vision and unaided by any other tools — can see objects as small as about 0.1 millimeters.
What is the smallest thing ever seen?
Scientists have taken the first ever snapshot of an atom's shadow—the smallest ever photographed using visible light.
