theft deterrent

How to Prevent Plant Theft

Mean-spirited but common, plant thieves will cut your blooms, remove front-stoop pots, or even dig trees up from your yard. Learn how to foil them.

Disguise Your Stuff to Prevent Car Break-ins

What one thief might consider trash can be your treasure. Create this simple container for your car, and safely hide your valuables in (almost) plain site.

Turning a cold war spy secret into a cheap anti-theft device

In the days of old, when spies passed messages to each other, they used many hidden messages. One of these methods was to hide the information in a dot of plastic or microfilm about the size of a pin head, and then end a sentence with it. [more]