One of my pet peeves with some compact cameras is that they often skip the viewfinder entirely. But one photographer and YouTuber decided to not only fix the missing viewfinder on his camera, but add ...

The diffuse reflectance spectrum is condensed as much as possible without blocking the incident light, and the Fresnel lens has the same dimensions as the detection window, i.e., a circle with a ...

Visio in Microsoft 365 is a superb tool for creating custom diagrams to illustrate concepts that are difficult to explain through text. Here’s how to use it. It’s often much easier to convey ...

In addition to being a runnable CLI tool, D2 can also be used to produce diagrams from Go programs. For examples, see ./docs/examples/lib. This blog post also demos a complete, runnable example of ...

This introduction is based on the scalar formulation of diffraction. It starts by presenting diffraction equations from a general perspective with the Huygens–Fresnel principle to the more simplified ...

Free body diagrams do not need to be drawn to scale but it can sometimes be useful if they are. It is important to label each arrow to show the magnitude of the force it represents. The type of ...