Microscope lenses are typically made either by grinding and polishing glass discs, or pouring polymers into molds – both techniques can be quite involved, which is reflected in the price of the ...

Researchers have redesigned the concept of a microscope, by removing the lens, to create a system small enough to fit in the palm of a hand, but powerful enough to create 3-D tomographic, or sectional ...

A tiny, disposable lens that costs a few pennies to produce could soon begin turning smartphones into a powerful microscope that scientists, engineers and even schoolchildren can use almost anywhere.