Understanding Brainwave Frequencies: Beta Brain Waves 12-30Hz
by Matthew Warburton
on 15-Dec-2015
"If you hear a voice within you that says Òyou cannot paint,Ó then by all means paint and that voice will be silenced"
Vincent Van Gogh
"If you hear a voice within you that says Òyou cannot paint,Ó then by all means paint and that voice will be silenced"
Vincent Van Gogh
