FACT NEXUS on Instagram: "Ivan Miranda — a maker focused on digital fabrication, 3D printing, electronics, and mechanical builds on his YouTube channel. Instead of traditional hands or digital segments, this clock displays the time by arranging hundreds of small marbles (typically black and white) into a dot-matrix-style numeric display. The mechanism sorts, transports, and places marbles every minute so that they form the correct pattern for the current time. #science #technology #education #me