A magnifying glass contains a lens that’s made into a convex shape in order to better see small objects. Magnifying glasses have plenty of uses, from making it easier to read a book to examining ...
Millions of people die every year from diseases and pathogens found in unclean water, and they can’t help it because that’s all they have. Either they drink it or they die. Deshawn Henry, a University ...
For centuries, scientists believed that light, like all waves, couldn't be focused down smaller than its wavelength, just under a millionth of a meter. Now, researchers have created the world's ...
Movies and stories from the early 20th century sometimes show an elegant lady or gentleman using a magnifying glass to read a letter. Generically, a magnifying glass makes very small things appear ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Inscriptions on the handle of this ...
If you’re reading Hackaday, you’re probably intimately familiar with really small parts. 0201 resistors are tiny, and even smaller parts aren’t unheard of. The screws that go in your phone are ...
The "Butterfield Paris" inscription on the handle of this small magnifying glass is that of Michael Butterfield (1635-1724), a British clock and instrument maker who worked in Paris. overall: 11 in x ...