April 22, 2026 Reading Time: 9 minutes
Usability testing
The superposition benchmark is typically measured using a variety of techniques, including: superposition benchmark key top
Superposition is famous for its light shafts. On a key top, texture is the light shaft. A PBT (Polybutylene Terephthalate) key top has a gritty, sand-like texture—high friction, low slip. An ABS (Acrylonitrile Butadiene Styrene) key top is smooth, almost greasy over time. April 22, 2026 Reading Time: 9 minutes Usability