“The scientist/engineer divide is artificial – what matters is working on the limiting factor [@MarioNawfal] 🇺🇸 SCIENTISTS WHO CHANGED THE WORLD WITH THEIR INVENTIONS 🇮🇹 Galileo Galilei — Telescope 🇬🇷 Archimedes — Lever 🇬🇧 Isaac Newton — Calculus 🇩🇪 Albert Einstein — E=mc² 🏴‍☠️🇨🇦🇺🇸 Alexander Graham Bell — Telephone 🇵🇱🇫🇷 Marie Curie — Radioactivity 🇩🇪 Werner Heisenberg — Uncertainty… )”