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Sony PS3

25.04.2006

At the end of March, at a special meeting with Japanese developers, Sony Computer Entertainment President Ken Kutaragi finally officially announced the launch date for the next-generation PlayStation 3 console expected by the entire gaming community.

For a long time, high-ranking officials from Sony assured the public that everything was going according to plan and the next-gen set-top box would hit stores this spring. However, life has made its own adjustments, and, according to Kutaragi's latest statement, the launch of PS3 will take place in November 2006.

It should be noted that the console will appear almost simultaneously in stores in all three key regions for the gaming industry - Japan, the US and Europe. Recall that around the same period, Nintendo intends to release its mysterious Revolution.

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Tooth spies on a person 26.09.2013

A team of researchers from the National Taiwan University has developed a sensor designed to be embedded in the tooth. The sensor, using an accelerometer, is able to accurately determine exactly what actions the jaw performs: it participates in chewing, coughing, talking, smoking, eating, etc.

The sensor is small enough to fit inside an artificial tooth or inside a natural tooth. So far, the sensor uses tiny wires to transmit data to a computer, but the developers promise that the next prototype with the same dimensions will be equipped with a Bluetooth wireless transceiver. So far, the tooth sensor transmits information over thin wires, but in the near future the developers promise to introduce a wireless version.

The sensor works very simply. First, the scientists calibrated the device and recorded the accelerometer readings for a variety of human actions. Subsequently, a sensor installed in the jaw captures the accelerometer data and determines with high accuracy what the person is doing at the moment.

What would such a device be useful for? First of all for medical diagnostics. Such sensors may be needed by dentists to make a more accurate diagnosis when it is necessary to know a person's habits, the frequency of teeth grinding, eating, etc. Also, such devices can help the work of psychologists and nutritionists who need to control the patient's stress level and diet.

To test the accuracy of the instrument, the research team enlisted the help of eight volunteers. Subjects had a sensor attached to their teeth and were asked to perform several different activities for about 30 seconds: cough, chew gum, and so on. The accuracy of determining the type of movement was 93,8%.

The developers continue to work on improving the sensor and expect to soon have a wireless device that can fit in a conventional dental crown. In the future, it is possible that the functionality of such sensors will expand, for example, medical analyzers or a microphone will be added to them.

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