What are some amazing facts about pens?
The viscous ink of a ballpoint pen is made of a paste containing about 25-40 percent dye that is suspended in oil. Thanks to this formula, developed and improved by all “fathers” of ballpoint pens, ink doesn’t leak or clog. It is one of important elements of commercial success of this type of writing instruments.
Before an average ballpoint pen runs out of ink, it can write 45,000 words.
The world's biggest ballpoint pen was designed by Acharya Makunuri Srinivasa from India in 2011. The pen weighs 37 kilograms and is 5.5 meters high. This pen is fully functional and holds the Guinness world record.
The world’s smallest pen is the 'Nanofountain Probe’ . Scientists normally use it for nanoscale on-chip patterning. The lines produced by this device are only 40 nanometers wide. It carries its own ink reservoir.
Subscribe- t.me/askmenow
