This is why they call pen 'Biro'

Before 1938, the usual style of pen in use was the fountain pen. A fountain pen. A fountain pen according to Wikipedia is 'a nib pen that contains an internal reservoir of liquid ink. The pen draws ink from the reservoir through a feed to the nib and deposits it on paper via a combination of gravity and capillary action. Filling the reservoir with ink may be achieved manually, via the use of an eyedropper, syringe or a vacuum to transfer ink directly through the nib'. The pen was efficient but has liquid ink which takes some time before it can dry up on paper during usage. There was need for improvement and in 1938, a Hungarian named László Bíró sold firstly a new type of pen that has a thicker ink that could dry faster on papers, the 'ballpoint pen'. A ballpoint pen. A ballpoint pen according to a dictionary 'is a pen, similar in size and shape to a pencil, having an internal chamber filled with a viscous, quick-drying ink that is dispensed at the tip ...