How Airport Security Works - You're probably familiar with airport security, but there's more going on than meets the eye. Go behind the scenes.
How Anti-shoplifting Devices Work - Learn about all the different techniques that merchants use to protect their merchandise!
How Body Armor Works - Body armor is essential for many people in high-risk professions. Learn how modern armor technologies stop bullets.
How Burglar Alarms Work Burglar alarms have become more and more important in both businesses and homes. Find out how they work!
How Car Alarms Work - They beep, wail and even yell at you. Car alarms are complex these days, with sensors that set off the siren before a potential thief even touches the car. Learn all about car alarms.
How Encryption Works - How secure is the Internet for sending sensitive information? Learn all about encryption, authentication, hash algorithms and more.
How Facial Recognition Systems Work - How unique is your face? New software can identify you by scanning your features. Learn how facial recognition software can turn any crowded street into a police lineup.
How Lock Picking Works - The basic process of picking a lock is actually very simple, but it takes a lot of practice to do it successfully. Explore the fascinating technology of locks and keys!
How Pickpockets Work - You'd be amazed at how easily someone could rob you without you even knowing it. People have been making a living this way for centuries. Find out how to protect yourself.
How Remote Entry Works - Do you have one of those key-fob devices that unlocks your car doors? Climb inside your car's remote-entry system!
How Revolvers Work - The revolver turned shooting a round into a one-step process, forever changing the face of crime, law enforcement and self-defense. Find out what goes on inside a revolver.
How Smoke Detectors Work - Many smoke detectors use nuclear radiation. Learn all about the two most common types of home smoke detectors!
How Stun Guns Work - You know those phasers used by Captain Kirk and Spock? That technology isn't really so far off. Find out different types of stun guns work to immobilize their target.
Inside a Combination Lock - We take apart a combination lock to unlock its secrets!