A team from University College London (UCL) have made strands about 200 times thinner than a human hair. In fact, they're so slim they can't even be seen under a microscope! But instead of using ...

each thinner than a strand of human hair. These slices were photographed under an electron microscope, combining the images into a comprehensive digital brain map. Employing machine learning ...

We can see objects as small as 0.1 millimeters, and that means we can just about see these lice eggs in our hair and tiny ... is a leaf surface under a scanning electron microscope.