The battery never runs out; you never have to worry about getting a bad signal; it can’t get hacked. When this new device was launched, crowds lined the streets, desperate to get their hands on it. “A window-shattering, hell-raising, no-holds-barred fracas”: That was how Nation’s Business magazine described the American debut of the ballpoint pen in 1945.
Bíró sat in a nearby Budapest cafe, trying to solve this puzzle. Looking out the window, he saw a group of children playing marbles in the street. It had been raining, and one boy rolled a marble through a puddle. As it rolled along the pavement, it left a line of water in its wake. With that inspiration, the ballpoint was born: By using high-quality ball bearings and creating minute grooves in the head of the pen to draw the ink to the tip (through a process known as capillary action), Bíró was able to create a reliable product.
in the wake of