The research field has never stopped exploring mobile phone technology. In the near future, the smart phones in our hands will become more powerful, even enough to replace large professional devices that cannot be carried around. Foreign media have taken stock of three wonderful new smart phone technologies.
Spectrometer
Spectrometers are a common tool in the fields of physics, chemistry, and biological research to measure the chemical composition of objects by measuring the properties of light. Due to the large size, such devices are completely unaccustomed to carry around, but this has begun to change. Technology company Consumer Physics launched a handheld spectrometer called Scio last year, and MIT scientists have recently developed a spectrometer that is small enough to fit into a smartphone camera.
So what is the use of spectrometers for ordinary users? After being added to the phone, users can use the spectrometer to easily detect skin conditions, track vital signs, identify environmental contaminants, or detect what is in the food and drug.
Two high precision GPS
Geolocation technology has been widely used in smart phones. The positioning function provided by it has brought great convenience to our lives, but lower precision is one of the main defects of existing positioning technology. Recently, engineers at the University of Texas developed a geolocation software with a positioning accuracy of 1 cm. The secret to achieving such high precision is just the cheap antenna sensor in smartphones.
In combination with the smartphone camera, this high-precision GPS system can instantly map the environment in which the user is located, thus enabling cooperation with virtual reality technology. In addition, it allows cars on the road to sense and avoid each other more accurately.
Three gas sensor
MIT chemists have recently developed an inexpensive wireless gas sensor that detects ammonia, hydrogen peroxide, cyclohexanone and other dangerous gases, and supports the use of smartphones to read relevant data. This type of sensor does not require the insertion of a device, as most smartphones today have the technology needed to read data.
With the help of this gas sensor, we can easily detect explosive chemicals or hazardous environmental pollutants using a smartphone. Readings from smartphones can also be combined with geolocation data for tracking and marking of hazardous areas. In addition, the sensor can detect chemicals emitted by spoiled food, so we can use it to judge the freshness of the food.
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