Introducing the revolutionary new portable color-changing food spoilage sensor! This incredible device is set to revolutionize the way we shop for and store food - no more wasting money on food that goes bad before you can eat it. This device uses color-changing technology to alert you when food is beginning to spoil, so you can get it out of your home before it becomes a health hazard. With this device, you can rest assured that your food will stay fresh and safe for your family.

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source: Phys.org