This simple ballpoint pen allows users to write custom LEDs. By Jace Dela Cruz Aug 11 2023, 07:04 AM EDT ...

It may be hard to hard to believe but these pictures are created using standard ballpoint pens. They're drawn by Portugal-based attorney Samuel Silva, who describes his art as a hobby.

Now, however, scientists have created inks that let anyone draw stretchable LEDS onto various surfaces using regular ballpoint pens.

Wacom Pro Pen 2 is a type that is easy to hold like a pencil with a diameter of 9.5 mm, so let's ask the illustrator's honoraru you to actually use drawing professionals to see how the comfort ...

The fountain pen as a practical writing instrument has been declared obsolete numerous times. It was supposedly doomed by the innovations of the drip-free ballpoint pen and the typewriter, then ...

The team used a ballpoint pen filled with the ink to draw lines on various substrates such as paper, plastic, and a stretchable SIS film.

This simple ballpoint pen allows users to write custom LEDs.