Which statements from “On Becoming an Inventor” are facts? "I was intimidated by the huge buildings devoted to these studies." "I also enlarged my mother's kitchen and pantry." "Then Bart went off to college and I had use of the rest of the basement." “They were treasures!” “Everyone wanted to buy a box that could connect to their stereo to create new light and sound effects.” “Not only was this invention used in theaters, but it was sold to the Museum of Natural History and the New York Planetarium to project views of the heavens on the ceiling.”