Licences to have babies incidentally is something that I got in trouble for some years ago for suggesting even in Canada that this might be necessary at some point, at least some restriction on the right to have a child. ↗
My efforts have been to not only put the Biblical incident in the original setting, but at the same time give the human touch which makes the whole world kin and which ever remains the same. ↗
During exposure, interference takes place between the incident rays and those reflected by the mirror, with the formation of interference fringes half a wavelength distant from each other. ↗