spy

Maverick Scientist: The Briefcase of a Laser Spy

Maverick Scientist: The Briefcase of a Laser Spy

From Forrest Mims’ new book: That time the National Enquirer asked me to help spy on Howard Hughes.

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DIY Hacks & How To’s: Make a Multi-Book Secret Compartment

DIY Hacks & How To’s: Make a Multi-Book Secret Compartment

You are probably already familiar with the classic “Secret Book Compartment” project. There are variations of this project all over the internet. There have even been a few version that been featured in MAKE as well as on the MAKE YouTube channel. The basic concept of a secret book compartment is simple. You hollow out a large book and you use the cutout space to hide stuff. Unfortunately, most versions of this project have one major problem. You can only hide objects that are smaller than your book. However it is possible to hide larger objects by combining multiple books into one large multi-book container.

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Weekend Projects – Talking Booby Trap

Weekend Projects – Talking Booby Trap

Complete instructions for this Weekend Projects can be found at: http://makeprojects.com/Project/Talking-Booby-Trap/1944/1

Having trouble with people snatching your top-secret stuff? Need help getting some privacy? Here’s a sneaky gizmo you can make to keep those snoops away. It’s the Talking Booby Trap: record your personalized message or sound effect, then hide it in a strategic place. When it’s disturbed, the intruders will hear your surprise warning message telling them to “Get lost!”

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How-To for Secret Agents: Invisible Ink Printer Mod

Make: Online readers who are secret agents—or secret agent wannabes—will love this project, which comes to us from MAKE Volume 16. By replacing the ink in a color inkjet cartridge with concentrated lemon juice, you can print with invisible ink. The secret message is revealed by spraying or wiping the paper with iodine tincture. Here’s […]

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Hollow spy bolts

Hollow spy bolts

Brian Dereu of Hollow Spy Coins showed us how to make this hollow dead-drop bolt for stashing secret messages back in MAKE 16. It’s not hard to do if you have access to the necessary equipment–a drill press, hacksaw, vise, grinder, and the appropriate taps and dies. But if you don’t have those tools, or you don’t have the time to use them, and you still want a spy bolt, Brian will gladly sell you one hand-made by his family and him for the not-unreasonable price of $37.

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