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Enrico Fermi developed the first nuclear reactor and on December 2, 1942 created the world’s first controlled, nuclear chain reaction, with the results proving the potential of harnessing the immense power of radioactive materials that led to a host of different uses for them, primarily for military and energy purposes.

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protect students' health

Ex :anti-hunchback, anti-myopia

-improve learning efficiency

Ex: (create space for concentration, bankruptcy)

-train children's independence, and optimize space.

Ex: children can adjust desk according to their needs, helping to develop initiative and self-discipline.

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Enhanced Productivity and Organization: Smartphones act as mobile offices and personal assistants. They allow users to manage their schedules with built-in calendars and reminders, handle work emails and documents on the go, and use specialized apps for task management, note-taking (like Evernote or Google Keep), and project tracking. This capability allows professionals and students to maintain efficiency and stay organized regardless of their location, turning downtime into productive time.

Instant and Multifaceted Communication: Beyond traditional phone calls, smartphones offer a diverse range of communication methods that are instant and globally accessible. Users can engage in real-time text messaging, instant voice and video calls (via apps like WhatsApp or Zoom), and participate in group chats. This multifaceted approach simplifies both professional collaboration and personal connection, bridging geographical distances and making it easy to share multimedia like photos and videos instantly.

Access to Information and Education: By connecting to the internet anywhere, a smartphone becomes a pocket-sized library and classroom. Users have immediate access to a nearly limitless amount of information via search engines, digital libraries, and news applications. For education, they facilitate e-learning through online courses, educational apps, and the ability to look up concepts or terminology instantly. This continuous, on-demand access fosters lifelong learning and instant problem-solving.

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They are portable,

you can easily carry them anywhere, such as to a picnic, a party, or a trip with friends.

they are wireless

you don’t need to worry about messy cables or complicated connections. This makes them very convenient to use.

Clear and powerful sound quality

allowing people to enjoy music, podcasts, or movies anytime and anywhere.

Bluetooth speakers bring many great benefits to modern life. First, they are portable, which means you can easily carry them anywhere, such as to a picnic, a party, or a trip with friends. Second, they are wireless, so you don’t need to worry about messy cables or complicated connections. This makes them very convenient to use. Finally, Bluetooth speakers provide clear and powerful sound quality, allowing people to enjoy music, podcasts, or movies anytime and anywhere. With these advantages, Bluetooth speakers have become one of the most popular electronic devices among young people today.

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Laptop have many benefits

1. Easy to carry – You can take a laptop anywhere, like school or travel.

2. Easy to use – It has everything you need: screen, keyboard, and battery.

3. Connects to the internet – You can go online, chat, and send files easily.

4. Saves energy – It uses less electricity than a desktop.

5. Many uses – You can study, work, watch movies, or play games on it.

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It gives shortens travel time - for example: travelling from Vietnam to U.S takes just over ten hours.

Promote tourism and international trade

Helps deliver goods and aid quickly to remote or disaster-stricken areas.

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First, it helps us communicate with others anytime and anywhere through calls, messages, and video chats. Second, smartphones provide quick access to information, helping us learn and work more efficiently. We can use them to check the news, study online, or do business. In addition, smartphones offer entertainment such as music, movies, and games, which help us relax after a busy day. Finally, they are convenient tools for daily life, like online shopping, navigation, and paying bills. Without smartphones, life would be much more difficult and less connected.

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- Quick communication : Phones help us stay in touch with friends and family anytime

-Access to information :We can easily search for news, knowledge, and learn online.

- Work and entertainment:Phones support tasks like emails and schedules, and also provide music, videos, and games

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The Internet is one of the greatest inventions in the world. It helps people in many ways.

First, it helps us find information easily. For example, students can use Google to study and do homework.

Second, the Internet helps us communicate. We can chat with friends and family on Facebook or Zalo, even if they are far away.

Third, it helps us relax and have fun. We can watch YouTube, play games, or listen to music online.

The Internet makes our lives easier, more interesting, and more connected.

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First benefit,instant and Multifaceted Communication: Smartphones have made communication borderless and immediate. They combine traditional calls and texts with email, instant messaging, video calls, and social media, allowing people to connect with family, friends, and colleagues anywhere in the world, instantly, through their preferred medium.

Second benefit,biquitous Access to Information and Knowledge: Having a smartphone means carrying the world's information in your pocket. You have instant access to search engines, news, educational content, reference materials, and real-time data (like weather, traffic, and stock prices), which empowers continuous learning and quick problem-solving.

Finally benefit ,a Single Tool for Productivity and Organization (The "Swiss Army Knife"): Smartphones have replaced dozens of separate physical items: a camera, GPS navigator, calculator, calendar, watch, alarm clock, portable music player, voice recorder, and paper notebook. This convergence allows you to manage schedules, banking, navigation, tasks, and media consumption all from one convenient device.

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The Internet brings many benefits to our lives. It helps people communicate with others around the world quickly and easily. Students can find information and study online, while workers can do their jobs from home. The Internet also provides entertainment, such as music, movies, and games. It is an important invention because it connects people and makes the world smaller and smarter.

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First benefit: smartphones make communication much easier and faster. With just a few taps, we can call, text, or video chat with anyone, anywhere.

Secondly: smartphones provide access to the Internet, allowing users to search for information, study online, and stay updated with the latest news.

Thirdly: smartphones include helpful applications such as maps, health trackers, and online banking, which make daily life more convenient

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The computer is one of the most important inventions in modern history. The first computer was created in the 1940s, and it has developed rapidly since then. Thanks to computers, people can work, study, and communicate more easily. Computers can store a large amount of information, solve complex problems, and connect people all over the world through the Internet. This invention has changed the way we live and work. Without computers, modern life would be much more difficult.

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1. At home:

Benefit: It allows family members to stay in touch easily.

Example: For instance, parents can call their children to check if they got home safely.

At school: Benefit: Telephone helps students find information quickly. Example: Students can use their phones to search for lessons or study materials.

At work: Benefit: It helps people communicate quickly with colleagues or clients. Example: For example, employees can discuss urgent projects without meeting face to face. 2. At home: Benefit: It allows family members to stay in touch easily. Example: For instance, parents can call their children to check if they got home safely.

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A smartwatch is a useful invention. It helps people track their health and reminds them to exercise. It also allows users to get calls and messages easily. With features like GPS and mobile payments, life becomes more convenient. In short, a smartwatch supports a smart and healthy lifestyle.

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A smartwatch is a useful invention. It helps people track their health and reminds them to exercise. It also allows users to get calls and messages easily. With features like GPS and mobile payments, life becomes more convenient. In short, a smartwatch supports a smart and healthy lifestyle.

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The first benefit: convenient and quality examples : easy to use , ...

The second benefit : look up information ex: study and work information ,use learning apps

The third benefit: connect with friends and family ex: call video , ...

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-The light bulb is a very useful invention. First, it helps people work and study at night. For example, students can read and do homework easily after dark. Second, it makes life safer because streets and houses are brighter, reducing accidents and crimes. Finally, it supports technology and the economy by inspiring new electrical systems and devices. Thanks to the light bulb, people can live more comfortably and work more effectively every day.

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First benefit: communicate wirh everyone everywhere, make many friends in social media

For example: zalo, messenger, facebook,…

Second benefit: reduce stress, relax after school

For example: playing games, listening to music, watching Tv

Final benefit: study English or any subject

For example: zoom, k12 online, google meets, duolingo

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The invention I want to talk about is the laptop.

It is one of the most useful devices in modern life. The first benefit of the laptop is that it helps people work and study anywhere. For example, students can do homework or join online classes at home. The second benefit is that it allows us to connect with others easily. We can send emails, make video calls, or share documents quickly. The third benefit is that laptops provide entertainment. People can watch movies, play games, or listen to music after work. In conclusion, the laptop is very important and useful because it makes our life more convenient, connected, and enjoyable.

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1.Easy connection and communication.For example, smartphone helps people make phone calls, send messages, video call, and stay connected with friends and family anytime, anywhere.

2. Support for study and work.For example, smartphone can be used to search for information, study online, do homework, take notes, store documents, or work remotely.

3. Entertainment and relaxation.For example, smartphone used for listening to music, watching movies, playing games, taking photos, recording videos, or using social media for entertainment.

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Allow for on-the-go access to the internet for news, banking, online shopping, and email.

Entertainment after work/ study

Access to information

Etc...

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The traffic light is one of the most useful inventions for modern cities. It helps control the flow of vehicles and keeps people safe on the road. With three colors – red, yellow, and green – drivers know when to stop, wait, or go. Thanks to traffic lights, there are fewer accidents and smoother traffic in busy areas. They also help pedestrians cross the street safely. Nowadays, smart traffic lights can even adjust their timing based on how many cars are waiting. This invention makes our cities safer, more organized, and more comfortable for everyone.