What are MAGNETS? How do MAGNETS work? Unraveling the Mystery of Magnets. The Physics of Magnetism

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Welcome to the "Detailed Engineering" channel, where we will explore the intriguing world of magnets and magnetism! In this video, we will delve into the fascinating history of the discovery and understanding of magnets, from ancient times to modern applications.
Magnets are an essential part of our everyday lives. They are in our electronic devices, machines, transportation systems and more. But have you ever wondered how magnets work and why some materials are magnets while others are not?
Video Content:
History of Magnets: We will begin our journey by exploring the history of magnets. From the magnetite stones used as compasses in ancient China to William Gilbert's discoveries and advances in the 19th century, we will see how humanity has unlocked the mystery of magnetism.
The Science of Magnetism: Let's uncover the secrets behind magnetism. You will learn how electrons and their spins generate magnetic moments and how these moments align to create powerful magnetic fields.
Ferromagnetism and Permanent Magnets: We will explain what makes materials like iron, nickel and cobalt special and how they become permanent magnets. You will discover why some iron objects are magnets and others are not.
Modern Magnetism: We will investigate the most powerful modern magnets, such as rare earth magnets, particularly neodymium, which play a key role in electronic devices, motors, speakers and more.
Surprising Applications: Not only will we explore the science of magnetism, but we will also discuss practical applications. From refrigerator magnets to magnetic levitation trains, you'll be amazed at the ways magnets shape our world.
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Deepen your knowledge of the physics and history of magnets and discover how this invisible force is fundamental in our modern society. Magnetism is an exciting journey that influences our lives in so many ways, and you won't want to miss this ride.
Now, buckle up and let's begin our adventure into the world of magnets!
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[@andersonpimenta442]

Existe algum material capaz de isolar o magnetismo do imã? Sempre tive essa curiosidade, parece que o magnetismo dele conseguem atravessar todos os materiais 😅

[@gabrielhenrique-on4mk]

Tem não meu mano, mas tem alguns materiais DIAMAGNETICOS que repelem o campo magnético totalmente, mas não bloqueiam a passagem do campo, e esse efeito TB não e tão forte

[@mauromatos4836]

Boa tarde, gostaria de saber como se calcula o tamanho das hélices de aviões e helicópteros?.

[@dennyoliver069]

com um pedaço de fita

[@zandoniantiguidades1674]

parabens

[@user-fg9my7ei9b]

Bom trabalho você 😮

[@silvaniasilva9839]

Interessante.

[@clebertonalves2161]

Excelente matéria!!!

[@tiagocarvalho261]

Fantástico

[@rosinaldogangorra4260]

O que não entendo é: não existi energia infinita, mas por que em um gerador feito com imãs os elétrons percorrem o fio enquanto seu rotor estar em movimento, de onde vem esses elétrons?

[@gabrielhenrique-on4mk]

São os elétrons do material do próprio fio, que são repostos em contato com o ambiente, pq os átomos vão precisar ter 8 elétrons na camara mais distante do núcleo, e pra isso eles vão interagir com os materiais do ambiente

[@eduardooliver6146]

Voce faltou dizer se existe imã em estado natural e se existe onde é e como se extrae?

[@gabrielhenrique-on4mk]

Existe sim, a magnetita, vc raramente pode encontrar na beira de rios, mas o magnetismo delas e bem fraco.
Ela surge quando um raio atinge algum pedaço de ferro.
Se vc quiser imãs pode encontrar nos alto falantes das caixas de som

[@atirador434fsantos]

Um imã permanente perde sua capacidade conforme aumenta a temperatura, definitivamente ou temporariamente?

[@gabrielhenrique-on4mk]

Definitivamente amigo, mas se vc quiser magnetizar um ímã novamente é possível, mas o magnetismo voltar espontaneamente não volta

[@raphaelsouzadearaujo1764]

MAGNETARES

[@nmgfranco]

👏🏽👏🏽👏🏽

[@rivotril1779]

😊

[@clainersouzadesouzasouza7878]

o que e imataçao?

[@gabrielcarneiro6906]

processo para magnetizar algum material, temporario ou pra sempre

[@cactus9362]

TENHO UM MONTE DE IMÃ DE ALTO FALANTE.

[@iza193jdpn]

😊29a08m25d😊