- Dictionary of Units, A
An explanation of the principle systems of units, their history, standards, and conversion factors for changing from one to the other.
www.ex.ac.uk/cimt/dictunit/dictunit.htm
- Sizeasy
Provides size and dimension comparisons to help decipher product measurements and put them into terms you can understand.
www.sizeasy.com
- Metrology Forum
The science of measurement or calibration and associated topics. Enlightenment to the uninitiated and soul-food to practitioners of this art.
metrologyforum.tm.agilent.com
- Scales & Weights
Photos of a collection of historical scales and weights, with trading opportunities.
www.scales-and-weights.com
- Science, Optics and You: Powers of 10
Interactive Java tutorial that journeys in stages from 10 million light years beyond the Milky Way, to a treetop, to the nucleus at the heart of an atom, in order to visually describe orders of magnitude.
micro.magnet.fsu.edu/primer/java/scienceopticsu/powersof10
- Measurement Science Conference
Promoting education and professionalism in measurement science and related disciplines, held annually in January.
www.msc-conf.com
- MegaPenny Project, The
![[pick]](../../us.yimg.com/i/pk/d_pick.gif) [read review]
Visualize huge collections of pennies (from one to billions and billions) accompanied by data on the size of the pile, weight, and area (if laid flat).
www.kokogiak.com/megapenny
- How Many?
Dictionary of units of measurement with commentaries and explanations of the English Customary, Metric, and International Systems.
www.unc.edu/~rowlett/units
- Sizes
Lists sizes, grades, units, scales, calendars, and chronologies.
www.sizes.com
- Universcale
[read review]
Experience and compare the sizes of various objects -- from the nanoworld to the extremities of space -- on this Flash site hosted by Nikon.
www.nikon.co.jp/main/eng/feelnikon/discovery/universcale/index.htm
- Uncertainty of Measurement Results
Guidelines for the expression of uncertainty in measurement from the National Institute of Standards and Technology.
physics.nist.gov/cuu/Uncertainty/index.html
- Lixcaliber
Study of the Golden Section and Pi and their relationship to Earth Measure.
www.lixcaliber.com
- English Weights and Measures
Familiarize yourself with Imperial weights and measures, English weights and measures, and Customary weights and measures.
home.clara.net/brianp/index.html
- Weights and Measures and Standard Time
Chapter 6 of United States Code Title 15 - Commerce and Trade.
www.law.cornell.edu/uscode/15/ch6.html
- Measure That
Measurement resource guide covering weight, length, temperature, and other systems of units.
www.measurethat.com
- Measuroo
Information on units of measurement, conversion, dimensional analysis, and related topics.
www.measuroo.com
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