AndyT's engineering blog, "Nonlinearities," publishes the 1st and 3rd monday of each month. Andy's OpEd may appear at other times, with fair warning given by the Vu meter pic.

This is the key digital and analog signal difference, and it’s at the heart of how so much of our technology works. You don’t have to be an engineer to understand why analog signals and digital ...

Large format, ergonomic and easy to use. 64 steps and variety of play modes and switches to get creative with your sequence. 100% analogue for the purists. Build quality could be better – for this ...

In his book The Mathematical Universe, mathematician William Dunham wrote of John Venn’s namesake legacy, the Venn diagram, “No one in the long history of mathematics ever became better known ...