The Best iPhone Battery Pack

The iPhone can be power-thirsty. For many people a battery extender is an essential iPhone or iTouch accessory. Here are four of the best backup iPhone battery packs. Note: iPhone battery performance times vary widely based on individual usage habits and applications. Wherever possible we have tried to give details of a backup battery’s capacity relative to an iPhone’s full …

Liquid-Filled LED Bulbs: 360 Degree Light

I’ve been testing a new LED bulb called the HydraLux. These unique bulbs are filled with a clear liquid coolant (a non-toxic paraffin oil). Other LED bulbs use large metal fins or fans for cooling purposes. The advantage of using a liquid coolant is that the LED bulb can produce 360° light like a regular incandescent bulb.

The Best iPod Car Stereos

If you’re a music lover who spends a lot of time on the road, you don’t want to fumble with an iPod’s controls to enjoy your music. So what’s the solution? An iPod stereo receiver for the car. And there’s no need to break the bank – here are four of the best options available for under $150.

How To Build A Deep Bass System For $750

In this article I will describe how to build a high-fidelity, bass-intensive sound system for under $1000. The secret ingredient of the system is the use of tactile transducers. These transducers effectively eliminate the need for expensive woofers or subwoofers. It’s an efficient method of producing deep, high-fidelity bass for a fraction of the usual cost. Many of the ideas presented here …