What is the rumor about Mrs. murry in chapter 3?

In chapter 3 of "A Wrinkle in Time" by Madeleine L'Engle, the rumor about Mrs. Murry is that she conducted secret, late-night experiments in her laboratory that led to her husband's mysterious disappearance and possibly involved government conspiracy. This rumor contributes to her neighbors' perception of her as eccentric and alienates her from the community.