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.
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
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? When you store dry goods inside (rice, beans,
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. Inside an X-Ray jar, the interior is pitch black
Despite the sci-fi name, this isn't radioactive, and it doesn't require batteries. It is a simple, 5-minute DIY project that allows you to see the contents of a sealed container without opening it.