By Llisa | Published: October 3, 2011
The International System of Units (SI) is founded on seven SI base units for seven base quantities assumed to be mutually independent, as given in Table 1. Here is the SI list from the NIST reference on Constants, Units and Uncertainty. Table 1. SI base units SI base unit Base quantity Name Symbol length meter [...]

Posted in Uncategorized | Also tagged 7, acceleration, amount of substance, amount-of-substance concentration, ampere, area, base, candela, Countdown to 10/10/11, derived quantity, electric current, kelvin, kilogram, length, luminance, luminous intensity, magnetic field strength, mass, mass density, mass fraction, meter, mole, second, SI, thermodynamic temperature, time, units, velocity, volume, wave number
By marlow | Published: September 8, 2011
We can consider the power 10-04 from various perspectives. This power is: The width of a single human hair (100 micrometers or 10-04 meters) The energy of a cricket’s chirp (9 x 10-04 Joules) The amount of caffeine in your average cup of coffee (1.5 x 10-04 kg) The speed of Jakobshavn Isbræ, one of [...]

Posted in Uncategorized | Also tagged 10-to-minus04, 10-to-plus05, bacterium, caffeine, coffee, crickets, diameter, energy, glacier, hair, Jakobshavn Isbræ, joules, kilograms, mph, Thiomargarita namibiensis