A digital control device is then used to programme the desired colour on to the nails. This includes a camera which can capture the colour of any surface which is then reproduced on the nails.
Dr Wilson continues: "There are about 20 genes [from a total of about 20, 000] known to control skin and eye colour."
Wilson博士说：“已知大约有20种基因(人体一共大概有20000基因)控制肤色和眼睛的颜色。”
3
While not strictly necessary, a parallel light is also applied to the "stereo" layer, this provides additional control over brightness and even can apply colour (mood) effects.