2 years agoAdded vacuum material – Solar-planet atm. refraction model, v. IOR index=0.8| DISPERSION= 0.000354px2195
2 years ago2 directions of cloud lighting – geometry of morning & evening underlight in the clouded skypx2195
2 years agoStoicism Quotes- Who are true/false friends? - Part 1 ( Seneca - Letters from a stoic: Letter 3.)Valentine Ssebuyungo