[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 ...

The mechanism of a confocal laser scanning microscope is to irradiate an object with a laser beam emitted from a light source, scan the entire object in two directions, the X-axis and the Y-axis, and ...

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 ...

While pursuing a bioengineering PhD at the University of Pennsylvania in Philadelphia, Wesley Legant ran into a frustrating roadblock: he had ideas, but the equipment to carry them out didn’t yet ...

In brief: Even though Blu-ray players have been mostly replaced by streaming and video-on-demand services, they can still serve a purpose. A resourceful YouTuber shows he could turn said player into a ...

Zhang and his colleagues use an electronically tunable lens, or ETL, that changes the focal plane of the imaging system without moving parts. He said using the lens makes the 3D microscope easier to ...

Read more: Blood tests and diagnosing illness: what can blood tell us about what’s happening in our body? For a lot of medical diagnostics, you need to look at small stuff – down to the level of ...