This has led to an upsurge in demand for refillable markers ... and experimentation with new marker types and techniques. Finally, innovations in ink technology and ergonomics are enhancing ...

The hack is quite literally as simple as injecting a refillable printer cartridge with a commercially available Silver Nano-particle Ink. This allows the printing of circuits onto many different ...

The key to its affordability lies in its refillable ink tanks, which eliminate the need for traditional cartridges. Priced at around $369.99, this printer comes with enough ink to print thousands ...