Hot Electronics How-Tos

How To: Build a Small DIY Hydrogen Fuel Cell Science Experiment

The hydrogen fuel cell has great potential to replace carbon-based fuels in our vehicle fleets and stave off global warming. It's a difficult concept intellectually, so why not make this fun little science experiment to try it out for yourself? Yes, by following these simple instructions you can make a small hydrogen fuel cell at home that will even power some devices!

How To: Make a DIY video remote for Canon DSLR cameras for under 10 bucks

If you have a Canon digital camera and plan on shooting video with it using a camera rig, then you'll want a good way to control your recordings with a start/stop button. A remote control is the way to go, but don't spend all that money— make your own! The remote in the video is hardwire into the camera and onto the rig for easy handling. You'll need your Canon 5D MK II HD DSLR (but it will work on other Canon models, too), a Canon RC-6 Remote Control (or generic brand), fiber optics cable, w...

How To: Turn an iPod Touch into an iPhone with TextNow

If you want to make phone calls from your Apple iPod Touch, or send text messages, it's totally possible with a little app called TextNow. This apps turns your iPod Touch into an iPhone clone, allowing you to make phone calls and features like voicemail, call forwarding, text messages, picture messages and a whole lot more. See it in action!

How To: Boost your AppleTV experience with aTV Flash

The AppleTV is a great home entertainment hub for all your video viewing joy, but it still stands a little limited in all its glory. You can hack your Apple TV to death, but if you don't know what you're doing, you can waste tons of time and possibly even ruin your Apple TV. But with a hack called aTV Flash, hacking gets a little easier. It does cost around 50 bucks, but it adds a ton of functionality, from integrating Firefox, to allowing external storage to incredible codec support.

How To: Clean a camera lens with cellulose tape (Scotch or Sellotape)

A camera's lens can be plagued with dust particles over time, and without a proper cleaning, your photographs will need a digital manicure before they'll please the eye. If you don't want to turn to Photoshop, then a little lens maintenance will do your photos good. Cleaning a camera lens is as easy as using a a few strips of Scotch or Sellotape, which are cellulose-based, translucent tapes.