[JBumstead] didn’t want an ordinary microscope. He wanted one that would show the big picture, and not just in a euphemistic sense, either. The problem though is one of resolution. The higher the ...

“Pass with me through a wonderful brazen tunnel, with crystal doors at the entrance,” Agnes Callow wrote in her 1851 book “Drops of Water.” In the 1840s, advances in grinding fragile sheets of glass ...

Built with sturdy materials, yet manufactured economically, the AmScope M150C is portable and the PS25 version comes with a selection of prepared slides; a good choice for a beginner to use at home, ...