U.S. Wary of China's Anti-Ship Missiles

China's fiercest anti-ship missile, designed by Russia and dubbed the Sizzler by NATO, has a 300-kilometer range and accelerates to roughly three times the speed of sound as it nears its target.

Credit Card Payments on Your iPhone

As a rule of thumb, small retailers see sales increase by more than 5 percent soon after beginning to accept credit-card payments. Sales of clothes, gifts or other nonessentials often climb a dramatic 10 percent.

Wheel Magnets May Soon Power Electric Cars

Cars have traditionally been wasteful beasts. Every time a drop of gas explodes inside a cylinder, the energy gets passed along from the piston to the crankshaft, flywheel, gearbox, drivetrain, and axles.

Is Your Cell Phone Spying On You?

Don't talk: your cell phone may be eavesdropping. Thanks to recent developments in "spy phone" software, a do-it-yourself spook can now wirelessly transfer a wiretapping program to any mobile phone.

Technology That Locates the Origin of Sniper Fire

Making decisions in battle, Prussian military strategist Karl Von Clausewitz wrote two centuries ago, is akin to making life-or-death choices "in a mere twilight" with one's surroundings shrouded by the "effect of a fog or moonshine." In today's military jargon, it's called "poor situational awareness." Soldiers under fire express the idea with a simple question: where exactly are these bullets coming from?

The Cash-Machine Capers

Forcing open cash machines is risky work. Those who try with a car must smash into the hunk of steel driving at least 40kph for a shot at success—and ATMs often withstand even faster charges, says Travis Yates, head driving trainer at the Tulsa Police Department in Oklahoma.

Emotional Connections

When it's daytime in New York, callers in other time zones get up very early, or stay up very late, to talk to the Big Apple.

Escalating Spam Wars Take Their Toll

Spam has never been cheaper. online-marketing firms are falling over themselves to offer spam campaigns of millions of addresses. These e-mail blasts are disturbingly inexpensive.

Black Market In Bad Code

Time is the hacker's enemy. The countdown starts as soon as a hacker learns about a security loophole that makes an Internet site vulnerable to a break-in.

Follow The Eyes

It's sometimes known as the trigger, the kicker or the launching pad: the part of a package a shopper is looking at when he decides to flip the cereal box to read the back.

Autos: Pay As You Drive

Those little GPS navigation devices on the dashboard have made driving unfamiliar terrain a lot easier. Now an innovation that combines Global Positioning technology with mobile phones promises to make driving a lot cheaper, for some.

Stealing the Minutes

The Internet isn't as secure as a regular phone line. Businesses are now learning that the hard way.

Phone "Phreakers" Steal Minutes

The telephone industry has been in an upheaval ever since upstarts began competing with the big telecoms by sending voice calls over the Internet. Now even big firms use so-called voice over Internet protocol.

Automating the Paris Metro

Even in a country that's long prided itself on its trains, the Paris Métro stands out. It's fast, easy to navigate, clean, inexpensive and, with 16 lines serving 297 stations, remarkably dense—leading many transport experts to consider it the world's premier metro.

Graceful Injuries

Fouette, sauté, jeté, hospital stay? Ballet movements lead to injuries in almost half of professional dancers over 40, according to the University Hospital of Geneva in Switzerland.