constants.factor

! USING: kernel math si-units ;
IN: units.constants

! From: http://physics.nist.gov/constants

! speed of light in vacuum
! : c 299792458 m/s ;
! : c0 299792458 m/s ; ! same as c
! : c-vacuum 299792458 m/s ; ! same as c
!
! ! more to come
!
! : avogadro
!     6.02214179e23 { } { mol } <dimensioned> ;