Physics

Here you find metric conversion calculators to convert between different units of measurement using the metric, british/american, avoirdupois systems, but also more exotic systems like japanese, ancient greek, biblical and old swedish measures.

Site listing several types of dictionaries related to the sciences.

A website with a database of information on a variety of units of measure. Look for new perspectives on the magnitude of any physical quantity. Contribute your own unique "Perspective Block".

This book was published in 1921. It is entitled - The Munsell Color System, A Practical Description with Suggestions for its Use. The concepts of Color Hue, Color Value and Color Chroma are explained with diagrams making them easy to understand. Also d