In anticipation of rapid technological and ecological advancement, this project brings awareness to lithium as a finite resource that causes more harm to the environment than its oil alternative in the automobile industry. Located in Callowhill where factory warehouses of the Industrial Revolution were most prominent, Junction Functions aims to respond to the potentials of the Reading viaduct and bring awareness to lithium dangers and recycling opportunities. The formal language derives from the application of a neural network generated through found objects on-site and eventually AI. The project expresses itself with multiple variations of scalar figures. Within this framework, a keystone is generated serving as the nexus point that navigates two different axes, one of which being the existing city grid. In response, this project defamiliarizes native Philadelphia brick by reinterpreting it into colorful stained glass - a tongue-in-cheek reference to the similar palette of a lithium mine.