sidelights

tly from Newtonian physics? General relativity describes gravity not as a force but as the curvature of spacetime caused by mass and energy, meaning that objects move along curved paths in spacetime rather than being

ight and ventilation. When these features incorporate stained glass, they become not only functional but also stunning focal points that inject personality and warmth into your home. ### The Rich History of Stained Glass in Pennsylvania Homes Pennsylvania is home to many historic neighborhoods