Yamaha have upped the spec of their A2-legal R3 sportsbike for 2025 with not only a fresh look but also added tech and an uprated chassis. Related: MCN’s guide to the best A2 friendly motorbikes ...

After years of internet rumours, online teasers, and manufacturer hints, Yamaha have finally revealed a full production R9 supersport bike for 2025 featuring winglets, lean-sensitive electronics ...

This program is useful for visualizing approximations of energy band diagrams, and performing back-of-the-envelope calculations of their important parameters. Energy bands can be modeled at varying ...