In 1853, a Liverpool photographer achieved what seemed impossible at the time. He shrunk a 680-letter memorial plaque to the ...

Insert lens. This $2 microscope changes how kids see the world : ... Once assembled the Foldscope is the size of a bookmark. It's small enough to fit in a pocket and can magnify up to 140 times.

This is very cool tech and leaps ahead of many other lenses. But i dont think its a microscope its more an extremely good macro lens. Even at 100x should be seeing more than what is being shown.

Insert lens. This $2 microscope changes how kids see the world. By Kamala Thiagarajan (NPR) Nov. 24, 2024 8:27 p.m. ... Once assembled the Foldscope is the size of a bookmark.

Nevertheless, lenses never exceeded much beyond the power of typical modern reading glasses until the early 1590s, when a Dutch lens maker named Hans Janssen built a microscope capable of 9X ...

There's a lens in the pouch — and a hole to indicate where it should go. Once assembled the Foldscope is the size of a bookmark. It's small enough to fit in a pocket and can magnify up to 140 times.