Technology Report - A Device That Can Tell If Drivers Are Alert

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companies are developing the next generation of products that will help drive cars, do our shopping and even care for our children. technology company Intel recently held a demonstration of some of its devices in San Francisco.

One device measured how alert a driver . Sensors connected to the driver's head measured brain activity. Cameras placed the car's dashboard measured eye movement. Justin Rattner works at Intel . He says the devices measure how much of the brain is while the person is driving. Devices like these, he says, will driving safer. Another experimental Intel technology links cars electronically to help crashes. When the driver of the car in front signals a or slows down, an alert message is sent to the car back. There was also a demonstration of a virtual computer. The was projected onto the table from a controller hidden in a pot. Sensors read the movements of the users' hands, so there no need for a mouse or other handheld device. This technology be used in everyday situations. At a market, sensors and computer placed in products could help shoppers find the items they want buy. For example, the technology could help them avoid foods that cause an allergic reaction. Cameras and sensors are already available to parents watch their children. In the future, other equipment will monitor baby's health and mood. And security systems are being improved and , with face-recognition software instead of complicated passwords. For VOA Learning English, Alex Villarreal.

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