Jamie Hewlett’s art has always thrived on a combo of energetic chaos and meticulous craftsmanship. From his early Tank Girl ...

In this challenge, I used a Smiggle Spy Pen to draw a full doodle using invisible ink that only appears under UV light! 🔦🖊️ ...

This pack comes with two refill ink cartridges. This soft brush pen by Tombow is a fan favourite ... for switching between writing and detailed drawing. Refillable and equipped with ...

Thanks to the screen’s matte finish and responsiveness, drawing on ... only replicate a pen-and-paper experience, but without the associated limitations like running out of ink.

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...