
Sumio Iijima
Sumio Iijima is a Japanese scientist who is best known for discovering carbon nanotubes in 1991. These are tiny, tube-shaped structures made of carbon atoms, much thinner than a human hair. Carbon nanotubes have exceptional strength, electrical conductivity, and flexibility, making them valuable for advanced materials and technology. Iijima's work revolutionized nanotechnology, opening new possibilities in electronics, materials science, and medicine. His discovery is considered a groundbreaking breakthrough, earning him international recognition and numerous awards in the scientific community.