yes pens have led in it
does pen have led in it?
A LED pen is a pen that has a built-in LED light, typically used for illuminating areas when writing in low-light conditions or as a convenient tool for reading in the dark. The LED light can be activated with a simple push of a button on the pen.
yes they are called pen pencil or mechanical pencil. you have to click it like a pen for the led to come out
Pencil, Feather+Ink.
A pen contains ink and a pencil has lead.
until the led snaps but if it is a pen then it has ink in until it runs out
Yes, Ladislas Biro did invent the ballpoint pen after observing how ink dried quickly on newspaper print. This led him to create a pen that used a ball to distribute ink, which prevented smudging and drying out.
PENS DON'T TAKE LEAD! If you mean Pencil then it's 0.5mm
Lewis Edson Waterman made his first fountain pen in New York City in 1883. He was inspired to create a pen that would prevent ink leaks and provide a more reliable writing experience. His invention led to the establishment of the Waterman pen company, which became renowned for its quality and innovation in writing instruments.
The f****** Yankees. They should be called The Skankees.
According to research, the Energizer brand LED light provides a long battery life. It is also better to use an LED as it does not use as much battery life.
Pen Pen TriIcelon happened in 1998.