[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 ...

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 ...