5 Ways 4G Will Change Your Life

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5 Ways 4G Will Change Your Life How accurate is my watch? Computer Evolution Breathalyzers 5 Ways 4G Will Change Your Life Call it 4G insanity. We're being bombarded by promises of what this newest wireless network can deliver, but is it all hype? Find out in this article. TechStuff on WiMAX How 4G Works How will 4G networks change business? How accurate is my watch? Sometimes your watch is a little slow -- or at least that's what your friends insist. But down deep you wonder: Whose timepiece is really correct -- yours or theirs? And furthermore, just how accurate can anyone expect his watch to be? All About Time How Quartz Watches Work How do radio-controlled clocks set themselves to the atomic clock in Colorado? How will computers evolve over the next 100 years? The world's most basic computers used to fill entire rooms. But today, computers are so compact you can carry them wherever you go. So how will our computing devices change in the next century? Computer Pictures How PCs Work What is the technological singularity? How Breathalyzers Work Drivers who can pass roadside sobriety tests -- by touching their noses or walking a straight line -- may still be over the legal limit for blood alcohol and be a hazard on the road. Breathalyzers help police find out who's really driving drunk. Public Intoxication Videos How Alcohol Works 10 iPhone Apps for Your Car   At Discovery, we value your privacy. If you would like to be removed from the HowStuffWorks.com newsletter or other newsletter emails like this, please click this link to our subscription center, where you can manage your account. Discovery Communications, LLC One Discovery Place, Silver Spring, MD 20910