Pink noise is different. Instead of equal energy at each frequency, the energy halves with every doubling of frequency (so ...

If you've ever watched a glass blower at work, you've seen a material behaving in a very special way. As it cools, the viscosity of molten glass increases steadily but gradually, allowing it to be ...

From Insurgent Notes #27, May 2025. The following thoughts were presented at an international meeting of comrades in September 2023. They represent a fairly wide-ranging review of the practical work ...