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Fracture mechanics.
Unfortunately, the theory of fracture mechanics in brittle materials is quite laborious - though interesting. Fortunately, we already have an excellent start on the subject in our article on fracture mechanics. Key texts in this field have been authored by R.W.Davidge, Brian Lawn and David Green as part of the Cambridge Solid State Science Series, with UCSB's A.G 'Tony' Evans from Princeton on the cutting edge in the field of composite materials. Based on the texts alone, we could easily double (or even triple) the size of the current article to include additional key factors, such as the movement of dislocations (and other microstructural features), the local chemistry in the vicinity of a crack tip, and their net impact on creep, fatigue, plastic deformation and crack tip propagation in glasses and glass-ceramics.
Things to do, Glass Physics:
Some of the articles do not contain any section understandable for a layman, for example Viscosity of amorphous materials, Physics of glass, or Glass transition. However, an encyclopedia should, besides providing highly technical information, also be accessible to the public and arose interest in beginning students.
Expansion of the article about Ernst Abbe, whose optics research, such as about the Abbe sine condition stimulated the beginning of glass science because high-quality glasses with specific optical properties were desired for practical tests, leading finally to a strong development of the company of Carl Zeiss.
Preparation of a task force Optics, based on the old project.