all the hot air <| sep |> That quote contradicts itself , though . If breast milk is capable of transmitting HIV from mother to child , then it is an infectious vector and anyone handling someone else ' s breast milk should use the same PPE that they would use to handle any other bodily fluid . Man , get your shit together , CDC ! <| sep |> The really interesting part with regards to BGE 2 One of the challenges of scale has been building the components of BGE 2 without quite knowing how to overcome the computational problems of building a galaxy . We had big questions that are so big you can ' t know the answers because no physics engine can handle all of the dimensions and speeds and things like that , Ancel says . It ' s like ' Okay , if no physics engine can do it , how can we achieve that ? ' It ' s crazy and difficult to explain to people how technical making a game is . Now it ' s not anymore about polygons and things like that , it ' s about millions of behavioural AIs , systems , and giant spaceships crashing on big planets