Technology / Aviation / Loran: Long Range Navigation system, which utilizes timing differences between multiple low-frequency transmissions to provide accurate latitude/longitude position information to within 50'.


Life Style / Painting / Colorant: Concentrated color that can be added to paints to make a specific color. MORE


Life Style / Wine Grapes / Kolor: Developed at the Freiburg Research Institute, Germany, this red-fleshed grape cultivar was derived from a Pinot Noir and Teinturier cross. As far as is known it is used solely to produce a colorant wi MORE


Life Style / Wine Grapes / Pontac: A red-wine grape variety that behaves as a teinturier colorant and originally native to south-west France but, at last report, now only to be found on small acreages in the Stellenbosch region of Sout MORE


Life Style / Wine Grapes / Carmina: Developed at the Geilweilerhof Research Institute, Germany, this cultivar is a cross between the Blau Portuguiser and Spätburgunder varieties. It is mainly used as a teinturier-style colorant grape. MORE

Tint Base

Life Style / Painting / Tint Base: The basic paint in a custom color system to which colorants are added. MORE

Erbium (Er)

Science / Periodic Table of Elements / Erbium (Er): Atomic number: 68, Atomic mass: 167.26 g.mol -1, Electronegativity: 1.2, Density: 9.2 g.cm-3 at 20°C, Melting point: 1522 °C, Boiling point: 2510 °C, Vanderwaals radius: unknown, Ionic radius: unkn MORE