Christopher NullTechHive

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Christopher Null is a veteran technology and business journalist. He contributes regularly to TechHive, PCWorld, and Wired, and operates the websites Drinkhacker and Film Racket. Disclosure: He also writes for Hewlett-Packad's marketing website TechBeacon.

Philips Hue

Philips Hue review: The pioneer in LED lighting is showing its age

Reliance on the ZigBee protocol can cause range issues, but no company has been in this space longer.

Oort Smartbulb

OORT SmartLED review: This is one dim bulb

This LED bulb's Bluetooth mesh network is a significant innovation, but the bulb itself leaves much to be desired.

imessage disable primary

How to solve the five biggest Messages and FaceTime annoyances

Apple’s messaging system works brilliantly—most of the time. Here are some simple fixes for five common problems.

wine cellar

Pocket vino: We review 5 apps for managing your wine cellar

Assembling a collection of fine wines can take decades, but the best library holds little value if you don't know which volumes it contains.

Tesla coil

Cutting the final cord: How wireless power and wireless charging works

We routinely stream music and video through the air without wires. We’ll soon be able to do the same with electricity.

Onkyo LS-B50

Onkyo LS-B50 sound bar review: An underwhelming home-theater effort

Don’t be fooled by its muscular appearance, this entry-level speaker system is a 98-pound weakling both in terms of features and performance.

color temperature

How to optimize your home lighting design based on color temperature

Once you understand what color temperature is and why it matters, you can choose the right types of light bulbs to improve the quality of your life at home.

oovoo logo primary

5 ooVoo problems even more annoying than the ads

The free video call service has its hangups, five of which we tackle here.

thinkstock 178637695

Building a better sound bar: TV manufacturers take on speaker builders

Do speakers manufacturers build better sound bars than TV manufacturers? We pit three companies from each camp against each other.

polk audio magnifi

Polk Audio MagniFi Voice Optimizing Wireless Soundbar review: Why no HDMI?

Staying within a $400 budget shouldn't force you to sacrifice HDMI connectivity.

denon dht s514

Denon DHT-S514 sound bar review: A disappointing effort from a noted speaker manufacturer

We've seen some fine audio products from Denon; unfortunately, this isn't one of them.

yamaha yas 203

Yamaha YAS-203 Sound Bar with Wireless Subwoofer review: Great sound, but light on features

This sound bar has a great price/performance ratio, but it lacks a number of important features.

sony htct770

Sony HT-CT770 2.1 Sound Bar w/Wireless Subwoofer review: This sleek speaker delivers the goods

Don't let its relatively small size foo you: This sound bar pumps out big sound

vizio s5451

Vizio S5451w-C2 54" 5.1 Sound Bar System review: A genuine 5.1-channel audio system

This sound bar delivers everything you big-screen TV needs, except for high-res audio support.

sharp ht  sb602 3ql

Sharp HT-SB602 2.1 Channel Slim Sound Bar review: This humongous speaker delivers big value

This sound bar can fill a large room with great-sounding audio.