BlackGuide: News & Culture on Instagram: "As a third grader in the Bronx, Tahira Reid Smith imagined a machine that could turn Double Dutch ropes without two people. Her idea won a school contest, then sat on the shelf for 40 years. Today, the engineerin

23K likes, 1,147 comments - blackguideapp on August 4, 2026: "As a third grader in the Bronx, Tahira Reid Smith imagined a machine that could turn Double Dutch ropes without two people.