DSLR Sensor Size and Crop Factor: Why You Should Give a Damn

If you're in the market for a new camera, have your eye on a fancy DSLR, and care about more than just the price, you'll want to take a few minutes and peruse this tutorial from the folks at LensProToGo. In the video they explain what terms like sensor size, crop factor and depth of field mean, and illustrate how… »11/07/11 12:00pm11/07/11 12:00pm

How to Hack an Android Figurine Into a Flashing Morse Code Transmitter

This could work for any hollow figurine you have collecting dust on your shelves, but due to Android's open-source nature a little robot is the obvious choice for DIY hackery. The full tutorial is on Instructables, but to make him react to sound; turn his head and flash his LED eyes in morse code patterns, you won't… »3/07/11 8:00am3/07/11 8:00am

How to Hook Up Your Surround Sound With Flat Speaker Cable

Earlier this month we were horrified to learn that as many as 50% of home theater buyers are not hooking up their rear surround speakers. For the vast majority of these DIYers, the main culprits were aesthetic issues and/or a lack of knowledge about how to install the speakers properly. One of the easiest ways to get… »3/27/08 6:50pm3/27/08 6:50pm

iPhone Book Sneak Peek: Third-Party iPhone Application Tutorial

Pash over at Lifehacker has a tutorial up on how to install third-party applications to your iPhone. It's notable because it comes straight from our iPhone Book, along with many more tips and tricks that you won't find in other books (seriously, we've read the other books, and they don't have them). Check out the… »9/04/07 1:20pm9/04/07 1:20pm

Cut Steak with a Laser and Make a Vegan Angel Lose its Wings

Knives are so passé—it's time for us to be able to make steak with a lightsaber. The guys over at Instructables have put together a tutorial on how to cut and make a delicious steak with a laser—or, more specifically, how to cut the words "PETA" out of a delicious steak with a laser and then cook the letters to… »8/30/07 9:05pm8/30/07 9:05pm