A Hungarian journalist, Laszlo Biro, noticed newspaper ink dried fast without smudging. This led him to invent the ballpoint pen. He incorporated a ball mechanism to transfer thicker ink. This innovation offered control over ink flow and prevented smearing. The ballpoint pen became a global success, revolutionizing writing. Its relevance continues today.source https://timesofindia.indiatimes.com/life-style/spotlight/in-1938-lszl-br-noticed-newspaper-ink-dried-instantly-while-his-fountain-pen-smudged-and-this-led-to-the-creation-of-the-modern-ballpoint-pen/articleshow/130849818.cms