diagonal surface
71Dynamic rectangle — A dynamic rectangle is a right angled, four sided figure (a rectangle) with dynamic symmetry, which in this case, means that aspect ratio (height divided by width) is a distinguished value in dynamic symmetry, a proportioning system and natural… …
72Barcelona — This article is about the capital of Catalonia. For the football club, see FC Barcelona. For other uses, see Barcelona (disambiguation). Barcelona from top, left to right: Barcelona skyline, Castell dels Tres Dragons, Port of Barcelona, Sagrada… …
73Number theory — A Lehmer sieve an analog computer once used for finding primes and solving simple diophantine equations. Number theory is a branch of pure mathematics devoted primarily to the study of the integers. Number theorists study prime numbers (the… …
74Force spectroscopy — is a dynamic analytical technique that allows the study of the mechanical properties of single polymer molecules or proteins, or individual chemical bonds. It is performed by pulling on the system under scrutiny with controlled forces. As a… …
75Rip current — Riptide redirects here. For other uses, see Riptide (disambiguation). Rip current, as seen from above. The beach is visible at the right top …
76Rib vault — Cathedral of Reims, France …
77Ceramography — is the art and science of preparation, examination and evaluation of ceramic microstructures.[1] Ceramography can be thought of as the metallography of ceramics. The microstructure is the structure level of approximately 0.1 to 100 µm, between… …
78List of mathematics articles (B) — NOTOC B B spline B* algebra B* search algorithm B,C,K,W system BA model Ba space Babuška Lax Milgram theorem Baby Monster group Baby step giant step Babylonian mathematics Babylonian numerals Bach tensor Bach s algorithm Bachmann–Howard ordinal… …
79stria — 1. A stripe, band, streak, or line, distinguished by color, texture, depression, or elevation from the tissue in which it is found. SYN: striation (1). 2. SYN: striae cutis distensae. [L …
80Inductance — Electromagnetism Electricity · …
