Hot Gadget Hacks How-Tos

How To: Hack digital pictures to send secret messages

This video tutorial will teach you a simple hack that will allow you to hide a secret message in any digital picture. Who knew a picture could actually be worth a thousand words? Real words, embedded within! For detailed, step-by-step instructions on recreating this hack yourself, take a look. Keep your messages on the Internet secret with this how-to.

How To: Make inexpensive solar panels from broken ones

As far as the world of consumer electronics goes, it doesn't get much greener than recycling solar panels. In this video tutorial, you'll learn how to solder together broken solar panels, giving them new life as a functional AA battery charger, which produces about 6 volts in direct sunlight and about 3 volts indoors. In order to get started on this hack, you'll need a number broken solar panels (which can be had cheap for cheap on the Internet), a low-temperature soldering iron, silver-beari...