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영어2_능률(김성곤) 5과 워크북(해석)

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How the IoT Is Changing Our Future

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It's snowing heavily this morning.

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Brett was just awakened by the sound of music from his smart clock.

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It went off at six o'clock―half an hour earlier than yesterday.

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Every morning his smart clock receives traffic information and adjusts his wake-up time depending on the road conditions.

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Currently it is playing a cheerful song, which was chosen to match his tastes and help him forget yesterday's bad mood.

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Feeling refreshed, Brett stands up and walks to his closet.

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The doors open and a light shines down on the suit that best fits his important meeting today.

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When he walks into the living room, his TV turns on automatically and switches to a traffic report.

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Then his kitchen lights change colors to indicate that his coffee machine has finished brewing fresh coffee for him.

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This situation could soon become reality, thanks to the Internet of Things (IoT).

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The IoT is a network of objects that exchange and act upon data collected by sensors and software they have.

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In this system, everyday objects―not only traditional electronic devices but also things like food packaging and clothing―can interact with one another.

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Right now many things are connected to the Internet, but they have to be manipulated by humans in order for information to be exchanged.

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With the IoT, however, things connected to the Internet will be communicating with one another without human intervention.

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This system will boost efficiency by saving us time, money, and effort.

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Some reports expect the number of connected devices to reach 1 trillion in 2025.

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However, we don't have to wait until then to see the effect of the IoT on our lives.

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Smart Home

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Smart homes are houses equipped with devices that operate automatically or can be controlled remotely.

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These devices make life more convenient.

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For those who want to wake up without noisy music, installing smart blinds might be the answer.

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These blinds slowly open in the morning to let the sun naturally wake you up.

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In addition, they can regulate your home's temperature by controlling the amount of sunlight allowed in.

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Another helpful smart device is the smart refrigerator.

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Gone are the days when you ran out of milk or eggs.

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This refrigerator will keep track of all the items it contains and text you to get what you need the next time you go shopping.

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It will also remember the expiration dates of all the items inside it, so you won't have to worry about having spoiled food.

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The IoT and smart-home sensors can also protect your home from damage.

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For example, placing moisture-detection sensors around things that might leak water, such as sinks, boilers and drains, will save you a lot of future trouble.

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If the sensors detect any leaks, they will quickly notify you so that you can stop the leaks and prevent them from becoming bigger problems.

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Furthermore, with a smart security system, you can enjoy a new sense of certainty and control from anywhere at any time.

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Not only can this security system alert you and the police of a break-in, but it can also allow you to use your phone to monitor your home remotely.

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Smart Healthcare

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Are you wearing a fitness tracker or a smartwatch right now?

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Then you're already participating in smart healthcare.

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These IoT wearable devices track and analyze your vital signs, such as your heart rate and body temperature, to help you reach your fitness goals or keep healthy.

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For instance, if your wearable device notices a change in your body temperature, it can warn you that you will soon be coming down with a cold.

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Along with fitness lovers, people suffering from diseases can also benefit from IoT wearable device.

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For example, a continuous *glucose monitor (CGM) is a small wearable device for diabetic patients.

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To use it, patients must insert a disposable sensor under their skin.

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Throughout the day, the sensor tracks the patients' blood sugar levels and transmits that data to their smartphones.

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This allows patients to adjust their lives around their diabetes.

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When this data is paired with the appropriate software, doctors can also use it to advise their patients accordingly.

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If our homes and devices are smart, why not our cities too?

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Barcelona is a great example of a city working toward that goal.

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In order to improve the efficiency of the city's street lamps through IoT technology, a strategy called the Barcelona Lighting Master Plan has been implemented.

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Merely two years after the plan was first launched, over 1,100 lamps have been transformed into smart lamps equipped with LED lights.

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These lamps stay bright when people walk by but darken when no one is nearby.

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Moreover, they also serve as free Wi-Fi hotspots and monitor the city's air quality by using sensors.

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These improvements have enhanced the efficiency of the city and resulted in an approximately 30% reduction in energy usage as well.

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are.

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Once a sensor detects that a bin is full, it automatically requests a garbage truck.

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Because of this system, the number of trips garbage trucks make has been greatly reduced.

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Not only do these cities save a lot of money on operational costs, but they also have less traffic and pollution.

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As we speak, conversations about the impact of the IoT are taking place all over the world.

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Without a doubt, advancements in the IoT will make life much easier.

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However, we should be careful not to get overly optimistic.

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There are also some negative aspects that we should consider, such as potential issues with privacy and security.

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If we brush these issues aside, it is easy for our trust in IoT devices to be abused.

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Therefore, it is important to understand the opportunities and challenges we will face as we build more and more things to be a part of the IoT.

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After all, we, not our devices, should be the ones shaping our future.

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