ultraviolet on technabob...

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 are invisible to the naked…

Didn’t think you could maintain that deep, dark, tropical tan during these cold winter days? Well thanks to this handy USB gadget, you can keep that (un)healthy glow all year long.

ThinkGeek’s USB Desktop Tanning Center lets you roast your epidermis to three shades of tan, ranging from Starbucks Vanilla Latte to Ooompa Loompa. It…