The Bureau International des Poids et Mesures (BIPM) is the organization that "ensures world-wide uniformity of measurements and their traceability to the International System of Units (SI)." The BIPM also conducts measurement-related research, such as accurate measuring of ionizing radiation. From the website (in both English and French), visitors will find "direct access" to metric conversion...

While the idea of a National Institute of Standards and Technology (NIST) Virtual Museum may make some cast a drowsy eye, they would be quite pleased to learn that the Museum's website contains a host of engaging online exhibits that examine such topics as the standardization of women's clothing, the saccharimeter, and the letter sorting machine. The standardization of women's clothing exhibit is...

At this website, the UK's National Measurement Laboratory offers beginner guides to introduce important features and concepts of measurement for the areas of acoustics, atomic time, color, computing and measurement, electricity, ionizing radiation, length, light, mass, materials, temperature, and traceability and uncertainty. Each guide contains concise, intelligible descriptions along with...