Parametric Down Conversion
At this moment only program showing the best states for local estimation of cartesian reference frame orientation in Majorana representation.
See Software to download.
If you are Yerba Mate user, you may wonder how long you should wait before putting the tea into cup in order to be sure that the water temperature is about 75-80 degree. So If you pour the boiled water into a cup smmilar to the one presented here and there is "no wind" in your room the the answer is 3 minutes.