[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 ...

Laser scanning microscopes are useful for all kinds of tiny investigations. As it turns out, you can build one using parts salvaged from a Blu-ray player, as demonstrated by [Doctor Volt]. The trick ...

“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 ...