
The Ballpoint Pen: A Revolutionary Writing Instrument
The ballpoint pen, a staple in daily life, owes its invention to Hungarian journalist László Bíró. Frustrated with fountain pens that smudged and required frequent refilling, Bíró sought a better solution. Observing that newspaper ink dried quickly, he, along with his chemist brother György, developed a pen using similar quick-drying ink. Their design featured a…