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Applied Science Grade 11-12 Uncategorized Understanding Computer Science

虚拟的攻击,真实的威胁

Airplanes couldn’t take off. Ships and trucks couldn’t deliver products. Factories stopped running. Hospitals had to turn away patients. It was June 27, 2017, and an invisible enemy was attacking businesses around the world. That enemy was a computer virus. Security experts named it NotPetya because at first it seemed similar to a 2016 virus named Petya. But it was much worse than Petya. “It was the worst cyberattack ever,” says Craig Williams, a cybersecurity expert at Cisco in Austin, Texas.

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Applied Science Grade 11-12 Understanding Computer Science

互联网进入Web 3.0时代

A teenage girl wanders into her kitchen one morning. The lights come on automatically as she enters the room and her favorite music begins to play, thanks to the Internet of the future. Invisibly, it follows her every move, anticipating what she will want and need. It accesses the smart watch the girl is wearing, gathering data about her current health including body weight, heart rate, bowel movements, and how much she has exercised and slept lately. It combines this data with knowledge about how various foods have affected the health of everyone else using the Internet and smart watches. Then it speaks through the watch with the voice of a friendly virtual assistant, suggesting yogurt with granola, a healthy and enjoyable breakfast.

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Applied Science Grade 9-10 Innovating with Emerging Technologies

制造新型人体器官

The human body works like a machine. Over time, its parts wear out or get damaged. For example, disease may weaken the heart or a bone may break. When the body cannot heal itself, a doctor may repair or replace diseased or broken parts to keep the body running smoothly. Sometimes, a living or dead human donor provides a part. Donations of hearts, lungs, kidneys, bone marrow, blood, and other tissues regularly save lives. But getting new parts from other human beings isn’t the only way to accomplish this.

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Grade 6-8 Medicine and Health Transforming Health with Medicine

细菌

Compared to eukaryotic cells, bacteria may seem much smaller and simpler—yet, their way of living provides insights into fundamental metabolic processes that have implications far greater than their size suggests. While the vast majority of bacteria that cluster in the human body are necessary for our existence and survival, certain types of bacteria are disease-causing organisms, or pathogens, and pose a danger to humans due to their ability to infect our cells.

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Grade 6-8 Learning Mathematics, Physics, and Chemistry Physics and Chemistry

Bravo for Concert Hall Acoustics

Carnegie Hall in New York City ha d been f a mous f or it s wa r m,resonant sound since it opened in 1891. After ninety years, however, the hall needed a major makeover. When it reopened in late 1986, something was wrong. Musicians said the sound was harsh, hollow, brittle, and dead.The hall tried several fixes, but nothing worked. Nine years later, the mystery was solved. Somehow during the renovation, concrete had been laid under the wooden stage floor. That had dulled the sound, especially the bass notes. In a concert hall, even unseen det ails can make a huge difference.

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Appreciating Art and Aesthetics Art and Literature Grade 6-8

艺术体验的心理构成

We love looking at art. We put it on our walls. We see it at museums. And if we’re inspired, we may even create it. What is it about our art experience that makes it so enjoyable? We can appreciate art as one of those things we do simply for a pleasurable experience—such as when we listen to music, watch a movie, or read a novel. For most of us, these activities capture our attention and spark an emotional response . Although our survival does not depend on such activities, our lives would seem so much less enjoyable without them.

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Appreciating Art and Aesthetics Art and Literature Grade 6-8

毕加索

Whenever the word “genius” is used, a small but magnificent group of names usually follows . Leonardo da Vinci and Michelangelo, Rembrandt and Raphael, Beethoven and Mozart are the automatic choices . For the modern era, two giants stand above all others: Albert Einstein and Pablo Picasso . They are in so many ways connected, especially because both of them redefined the way we consider the world we live in and both of them had brilliant new concepts of space. For Einstein, it meant the universe and man’s place in it were suddenly better known. For Picasso, the breakthrough was cubism, a way of looking at objects in space that was completely unlike any artistic vision before.

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