It’s relatively easy to understand how optical microscopes work at low magnifications: one lens magnifies an image, the next magnifies the already-magnified image, and so on until it reaches the eye ...

Placing colloidal spheres in the immediate proximity of fluorescent molecules makes it possible to achieve single-molecule imaging at high temperatures with a low-cost system. In an optical microscope ...

What are the finer points of cleaning your lens? For Film Cameras? I've been shooting for over 10 years and this is what I've ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Joshua Lyon Joshua Lyon is ...

Upgrade your eyewear with glasses that can function as cameras, headphones, and AR displays. We've tested all the major models and have everything you need to know to pick the right smart glasses for ...