The captive ball in the end of the pen is rough(microscopically), and with the ink above it, it draws ink from the tube (capillary actions) when the dry part of the ball rotates and comes in contact with the ink, then the ball deposits its' ink onto a writing surface. The rotation of the ball repeats the process.
laszlo biro invented the ballpoint pen in 1938 !
No. He created the Ballpoint pen with his brother Gyorgy Biro
The ballpoint pen was invented in 1938 by Laszlo Biro.
yes he did invent a ballpoint pen.yesYes, he did invent the ballpoint pen.
my ballpoint pen is 14.5 centimeters long. It seems pretty standard.
laszlo biro invented the ballpoint pen in 1938 !
No. He created the Ballpoint pen with his brother Gyorgy Biro
The ballpoint pen was invented in 1938 by Laszlo Biro.
As far as i can tell the most expensive ballpoint pen in the world is the Mont Blanc ballpoint
A biro is a BIRO-brand ballpoint pen, or by extension, any variety of ballpoint pen.
He is Laszlo biros, the inventor of the ballpoint pen, brother. he helped invent the ballpoint pen
Despite popular belief, a ballpoint pen can not dry out because the ball is there. Plus if your Percy Jackson your advantage with a ballpoint pen is that it's also a sword.
yes he did invent a ballpoint pen.yesYes, he did invent the ballpoint pen.
Ballpoint pen in Spanish is : bolígrafo or boli (Pronounced bow-lee) with the accent on the bow.
The ballpoint pen was introduced to the U.S. market in 1945.
John J. Loud is credited for inventing the modern ballpoint pen.
He is Laszlo biros, the inventor of the ballpoint pen, brother. he helped invent the ballpoint pen