------ A collection of physical constants ------

c	= 2.997924562e8	-- speed of light (m/s)
u0	= 4*pi*1e-7		-- permeability of free space (henry/m)
e0	= 8.85418e-12	-- permittivity of free space (farad/m)
q	= 1.6021917e-19	-- charge of electron (coulombs)
h	= 6.626196e-34	-- Planck's constant (J sec)
kB	= 1.380622e-23	-- Boltzman's const (J/degK)
me	= 9.109558e-31	-- electron rest mass (kg)
mp	= 1.672614e-27	-- proton rest mass (kg)
mn	= 1.674920e-27	-- neutron rest mass (kg)
N0	= 6.022169e23	-- Avogadro's number (per mole)
R	= 8.31434e3		-- Gas constant (J/mole-degK)
SB	= 5.66961e-8	-- Stefan-Boltzman's const (W m^-2 K^4)
G	= 6.6732e-11	-- gravitational constant (N m^2/kg^2)
g	= 9.80665		-- acceleration of gravity (m/s^2)
Amu	= 1.660531e-24	-- atomic mass unit (g)
