One of my all-time treasured possessions is a Gerber Variable Scale [1] (Fig. 1). It was an absolute must-have if you were doing science in the 60s and 70s. The idea was straightforward — the device was a ruler consisting of a precision spring that you could adjust to any length to match graphs or oscillographs [2]. [...]
We’ve added a lot of content to our website at www.fieldp.com in 13 years. In fact, there’s so much material that the site might intimidating to first-time visitors looking for software or educational resources. To help, we’ve added a short overview video on the home page. Here it [...]
We have initiated a new Associates program designed for consultants and small businesses. Participants can apply our 3D software in their work at no charge and earn extra income. We feel that experienced professionals can best offer recommendations to customers and colleagues. Application areas include:
High-voltage engineering
Applied electrostatics
Electromagnet design
Permanent magnet devices
Electron guns and electro-optical devices
Electron and [...]
As part of the license management system, our main technical programs make an Internet check of the computer activation status. Setting up an activation setup is largely automatic on most computers, requiring little user effort. Some manual operations are necessary if the user’s computer is on a company network with a proxy server. This posting reviews [...]
Several users have reported intermittent plotting problems when working in Windows 7 with large meshes (i.e., millions of elements) in our 2D and 3D programs. I addressed the problem in a previous blog . In recent tests, I found that the precautions I described in the blog were necessary but not sufficient to ensure reliable plotting. [...]