The Human Chain on Instagram: "Mark Rober is an American engineer, inventor, and massively popular science and technology YouTuber, celebrated for transforming complex engineering principles into wildly entertaining and accessible content. Before becoming a full-time content creator, Rober spent nine years as an engineer at NASA's Jet Propulsion Laboratory (JPL), where he notably worked on the Curiosity rover. His transition from designing hardware for Mars missions to designing elaborate, often

Inside History on Instagram: "From plastic waste to powerful innovation 🙌⛽️ Inventor Julian Brown is turning heads with his groundbreaking creation, “Plastoline”—a sustainable fuel made from recycled plastic waste. In a bold demonstration of its potential, Brown filled the tank of a Dodge Scat Pack with Plastoline, and the muscle car ran without a hitch. The successful test highlights a promising step forward in alternative energy, showing how plastic pollution could be transformed into a viabl