Sheldon has decided that Leonard is right that his career is not over though his research is rendered pointless by Dennis Kim.
He needs to find something else to focus on so he has decided to collaborate Leonard's work.
Leonard looks unwillingly when he hears Sheldon want to join him for his research though he was happy to hear that Sheldon didn't want to give up on work at the first place.
render: if you render something into a particular state, you make it into that state.
soft : pleasant to touch, not rough
schematic: a picture that shows a lot of numbers or statistics.
scheme: making a plan secretly
component: the component of something is the parts that it is made of.
array: a large amount of something
cosmic: something coming from outside Earth, belong to universe.
collaborate: work together.
