Work — X-ray Jar

Because the background is black, there is no glare. The result looks exactly like an X-ray image: black background, white outlines of the food inside.

Enter the .

Inside an X-Ray jar, the interior is pitch black. The only light source is that slit. That light enters at a sharp angle, bounces off the beans deep inside the jar, and travels out through the slit to your eye. x-ray jar

The X-Ray jar is low-tech, bulletproof, and genius. It turns a $1 thrift store jar into a diagnostic tool for your survival food. Because the background is black, there is no glare

We spend a lot of money on high-tech survival gear. Night vision, thermal scopes, ballistic glasses. But what if I told you that one of the most useful "vision" tools for a grid-down scenario costs less than a cup of coffee? Inside an X-Ray jar, the interior is pitch black

Here is how to make one, how it works, and why you need three of them in your pantry right now. An X-Ray jar is a standard glass Mason jar (or any clear glass container) that has been painted black— except for a single, narrow, unpainted vertical strip.