Imagine this scenario: When you are at work, your smartphone will tell you how fresh some vegetables are in the refrigerator. Researchers at the Massachusetts Institute of Technology developed a new technology. They invented a way to use a simple sensor that can be read intelligently to wirelessly detect dangerous gases and contaminants in the refrigerator. The sensor uses the modified near field communication NFC technology to work. In the eyes of people, NFC has many uses and can be used to use wireless payment. But now researchers have discovered that a small modification allows the chip to be used to detect the presence of gas.
Researchers have demonstrated that they can detect gases such as gaseous ammonia, cyclohexanone peroxide and hydrogen. At present, this technology must rely on the mobile phone as an internal sensor. However, researchers are studying Bluetooth technology to expand the scope. Researchers said: "This is an ideal high-volume application. Consumers can check the freshness of foods." The advantages of these sensors are that they are inexpensive and they do not require the participation of wires. Researchers have applied for a patent for this sensing technology and are now studying possible applications. Because these devices are inexpensive, they can be read on smartphones and they can be deployed almost anywhere.
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