That’s it. No electronics. No lenses. Just paint and glass.
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. x-ray jar
When you store dry goods inside (rice, beans, flour, sugar, or even hardware like nails and screws), the black paint blocks out all ambient light. The only light entering the jar comes through that thin slit. Normally, when you look at a jar of pinto beans, the light bounces off the front beans, and you can’t see past the first layer. That’s it
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. Just paint and glass
one for rice, one for beans, and one for screws. Your future self will thank you. Have you used an X-Ray jar before? Drop a comment below with your favorite hack for long-term storage.
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?