ink on Technabob...

If you ever wanted to send secret messages using your computer, you could just embed secret messages in your image files. But if you want to print out hidden messages, you can hack your inkjet printer to print invisible messages.…

Got some leftover inkjet cartridges lying around? You could just send them back to the factory so they can be recycled – er, cleaned out, refilled and then sold to some other sucker for way too much money – or, you could make some lamps out of them – or,…

When I was in grade school, crayons served as our introduction to the art of one-upmanship – you have a box of 8? Well your seatmate has a box of 16! So you tell your mom to buy you a box of 24, but – oh snap! -  your rival’s…

Here’s a handy way to keep a secret. Just grab one of these ultraviolet invisible ink pens, and you can leave yourself hidden messages that you can easily decode using the same pen you wrote them with.

Each pen has a built-in ultraviolet LED light, you can read messages that…

Here’s a piece of art any retro game fanatic would be proud to hang on their wall. It’s a handmade Pac-Man mixed media piece, using teeny ceramic tiles in place of pixels.

Perhaps inspired by the oh-so-awesome Ms. Pac-Man bathroom, this piece entitled Perpetual Pac-Man… would look great in any

These wacky collectible desktop figurines get their inspiration from inkjet printer cartridges.

Mark James’ Cardboy CMYK Cartridge critters comes in the four familiar printer ink colors, cyan, magenta, yellow and black.

The 4-inch tall figures are available individually for £5.95 (appx. $12 USD) each, or as a complete set for…

While most conventional printers use ink, toner or wax to print, these new portable printers from Zink will print full color images without applying any substance to the surface of the paper.

Instead of ink or toner, Zink’s compact printers will use a special paper, embedded with color dye crystals…

I’ve seen a number of paper-to-digital note recorders over the years, but this is the first time I’ve come across one that can actually recognize multiple ink colors. The LaPazz D-Note DNA500 from UC-Logic is a small notepad that records your handwritten notes on the computer, and can automatically recognize…