[fwd.] The Four Sentences of Hengqu

An attempt at a translation of my motto, which was written about ten centuries ago. 为天地立心,为生民立命,为往圣继绝学,为万世开太平。张载(1020 - 1077) This motto has been used in diplomatic situations for several times in history, and translations, some with explanations, are readily available. Still, I will try to give it my own translation below. To decree the principles of … Continue reading [fwd.] The Four Sentences of Hengqu

[Lux] Advanced Rainbow Manipulation

Backyard fun, sort of. This set of pictures were created using LED-enabled pois1 by myself and A. Cordwell, a friend of mine and 4th year student at Auckland astrophysics. This part-dancing and part-running-around project is my third attempt at light-pen practical effects. The equation that we wrote this time is ... Non-relativistic time-dependent Schrödinger. Enjoy. … Continue reading [Lux] Advanced Rainbow Manipulation