Sometimes I have to write stuff so I won't forget how to do it. This is one of those times. In my recent post on the angular size of a soccer goal, I created a contour plot. Despite what you might ...

Scanning electron microscopes are great tools for 2D inspection and metrology of a wide variety of samples. However, their 3D capabilities are still very limited, especially when it comes to ...

Cutoff filter measures the wavelength at which the surface structure is distinguished between waviness data and roughness. Appropriate selection of the correct filter cutoff in software is important ...

Math fans can now spin, zoom, and explore complex equations in full 3D right on their iPad with iPadOS 26. Here's what it looks like. With iPadOS 26, Apple is introducing interactive 3D graphing in ...

Print surfaces have been a major part of 3D printer development and experimentation since the beginning. [Makers Muse] has been experimenting with G10, a cheap high-pressure fiberglass laminate, and ...