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Induction heating is used on electrically conducting objects with electromagnetic induction, through heat generated in the object by eddy currents. [📹 svanfon]

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Massimo

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166,399 görüntüleme • 1 ay önce •via X (Twitter)

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Footage from 1956 from the Moody Institute of Science, where Dr. Irwin Moon demonstrates induction heating by cooking an egg in a pan on a cold wooden surface, using high-frequency alternating currents.
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Footage from 1956 from the Moody Institute of Science, where Dr. Irwin Moon demonstrates induction heating by cooking an egg in a pan on a cold wooden surface, using high-frequency alternating currents.

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Ocean Heat Source 09: The dominant source is either a) geothermal/hydrothermal heating from below, or b) electromagnetic induction. Here’s where I’m at with the five mechanisms I’m testing to explain the abyssal warming acceleration: 1. adiabatic compression: closed 2. isopycnal heave: quantified; observationally limited 3. AABW/overturning: closed as the dominant quantitative explanation 4. geothermal/hydrothermal: in progress, looking weak as the dominant explanation, closing two loopholes... 5. electromagnetic induction: solver in development, strongest remaining hypothesis Two mechanisms closed. One ran into the limits of the observations. Two left to test... We're closing in.
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Ocean Heat Source 09: The dominant source is either a) geothermal/hydrothermal heating from below, or b) electromagnetic induction. Here’s where I’m at with the five mechanisms I’m testing to explain the abyssal warming acceleration: 1. adiabatic compression: closed 2. isopycnal heave: quantified; observationally limited 3. AABW/overturning: closed as the dominant quantitative explanation 4. geothermal/hydrothermal: in progress, looking weak as the dominant explanation, closing two loopholes... 5. electromagnetic induction: solver in development, strongest remaining hypothesis Two mechanisms closed. One ran into the limits of the observations. Two left to test... We're closing in.

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Tesla's "Egg of Columbus," demonstrated at the 1893 World's Columbian Exposition, illustrated a fundamental advance in the transmission and conversion of electrical energy. Tesla's polyphase system used multiple alternating currents, offset in phase from one another, to produce a continuously rotating magnetic field. Rather than requiring mechanical switching to create rotation, the changing electrical phases generated rotation within the field itself. The copper egg responded through electromagnetic induction, spinning and eventually rising onto its axis. This same principle became the foundation of the AC induction motor and helped establish polyphase alternating current as a practical system for generating, transmitting, and converting electrical power on a large scale.
0:52

Tesla's "Egg of Columbus," demonstrated at the 1893 World's Columbian Exposition, illustrated a fundamental advance in the transmission and conversion of electrical energy. Tesla's polyphase system used multiple alternating currents, offset in phase from one another, to produce a continuously rotating magnetic field. Rather than requiring mechanical switching to create rotation, the changing electrical phases generated rotation within the field itself. The copper egg responded through electromagnetic induction, spinning and eventually rising onto its axis. This same principle became the foundation of the AC induction motor and helped establish polyphase alternating current as a practical system for generating, transmitting, and converting electrical power on a large scale.

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Ever wondered how a motor can spin without any wires actually touching the moving part?✍️ ε = -N (ΔΦ / Δt) This is a Three-Phase Induction Motor. By using alternating current, it creates a rotating magnetic field that drags the non-magnetic rotor along via electromagnetic induction. Since the aluminum only moves to oppose the changing field, you get high-efficiency, low-friction rotation used in everything from factory tech to EVs. (📽️Credit; physicsisfun_official/Yt )
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Ever wondered how a motor can spin without any wires actually touching the moving part?✍️ ε = -N (ΔΦ / Δt) This is a Three-Phase Induction Motor. By using alternating current, it creates a rotating magnetic field that drags the non-magnetic rotor along via electromagnetic induction. Since the aluminum only moves to oppose the changing field, you get high-efficiency, low-friction rotation used in everything from factory tech to EVs. (📽️Credit; physicsisfun_official/Yt )

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Will Wagner attended his Dad’s Hall of Fame induction ceremony on the weekend! Billy Wagner is Will’s hero - and the reason he fell in love with the game 💙

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Is the Kitchen heating up again 🤔 1️⃣ Induction cooktop demand surge 2️⃣ Government leaning towards shifting cooking from LPG to electric 3️⃣ Replacement demand kicking in post COVID #StocksInFocus TTK Prestige Hawkins Cookers Stove Kraft
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Is the Kitchen heating up again 🤔 1️⃣ Induction cooktop demand surge 2️⃣ Government leaning towards shifting cooking from LPG to electric 3️⃣ Replacement demand kicking in post COVID #StocksInFocus TTK Prestige Hawkins Cookers Stove Kraft

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This is one of the helicopters that has been conducting the Airborne Electromagnetic (AEM) survey in Kajiado County. AEM is mainly used to identify underground mineral deposits and geological structures.
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This is one of the helicopters that has been conducting the Airborne Electromagnetic (AEM) survey in Kajiado County. AEM is mainly used to identify underground mineral deposits and geological structures.

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The 2025 Rock & Roll Hall of Fame Induction Ceremony opened with an incredible tribute to Sly & the Family Stone ft. Stevie Wonder, Jennifer Hudson, MAXWELL, Flea, Beck, and ?st 📺 Tune in NOW on Disney+ to watch the 2025 Rock & Roll of Fame Induction Ceremony.
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The 2025 Rock & Roll Hall of Fame Induction Ceremony opened with an incredible tribute to Sly & the Family Stone ft. Stevie Wonder, Jennifer Hudson, MAXWELL, Flea, Beck, and ?st 📺 Tune in NOW on Disney+ to watch the 2025 Rock & Roll of Fame Induction Ceremony.

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Tom Hamilton, the radio announcer for #Indians / #Guardians games for 35 years and counting on Wednesday was selected by the Baseball Hall Fame for induction in Cooperstown this summer. His emotional reaction is priceless.
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Recruits always ask why Morningside. What sets you apart? This is the undisputable answer! It takes a #RareBreed to run with these Mustangs! Congrats Steve Ryan on your induction in to the NAIA Hall of Fame!

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DIY electromagnetic levitator that works 👌 The UFO is made with 3D printed parts of its own design, neodymium magnets and carries a coil and several LEDs so it can be powered wirelessly with an external induction circuit. This is based on the magnetic levitation circuit of Celestí Capell. Video Credit: David Villafranca #diy #digitalelectronics #makermovement #engineering #engineer #electronics #ciencia #science #hazlotumismo #technlogy #pcb #diyelectronics #diyprojects

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Another Stanford interpretability guest lecture: Jack Merullo on "computational motifs" - the algorithmic primitives of transformers that show up again and again across circuits/tasks/models e.g. induction heads, binding vectors, helical representation comparisons, copy suppresion heads, etc. 00:53 - Intro: defining "computational motifs" 05:48 - Induction heads (a classic motif) 08:31 - Motifs in the Indirect Object Identification circuit 44:33 - More examples 51:15 - Challenges and open problems 1:03:12 - Conclusion & questions
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Another Stanford interpretability guest lecture: Jack Merullo on "computational motifs" - the algorithmic primitives of transformers that show up again and again across circuits/tasks/models e.g. induction heads, binding vectors, helical representation comparisons, copy suppresion heads, etc. 00:53 - Intro: defining "computational motifs" 05:48 - Induction heads (a classic motif) 08:31 - Motifs in the Indirect Object Identification circuit 44:33 - More examples 51:15 - Challenges and open problems 1:03:12 - Conclusion & questions

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Data centres are energy hungry but what if we could use their waste heat to heat our homes? That's exactly what happens in places like Finland: Cities are tapping the vast amounts of waste heat generated by data centres, and feeding it into district-heating networks.

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Did you know a quarter of global energy is used just for "comfort heat"? Imagine if we generated all that warm air and water using Bitcoin miners instead. I had an incredibly fun chat with Tyler Stevens about the hashrate heating movement and what happens to Bitcoin's security budget when normal people start heating their homes with ASICs. Catch the full conversation below.

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30.01.2026 Fire in the hole! Our multipurpose and modular launching system (MPLS) demonstrator successfully underwent its land trials with 68 mm laser-guided induction rocket systems provided by our partner Thales Group .
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30.01.2026 Fire in the hole! Our multipurpose and modular launching system (MPLS) demonstrator successfully underwent its land trials with 68 mm laser-guided induction rocket systems provided by our partner Thales Group .

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🚀 Nikola Tesla's "Egg of Columbus" – A Brilliant Demo of Genius! In 1893, at the Chicago World’s Fair, Tesla wowed crowds with a spinning copper egg that stood upright on its tip – all without touching it! How? He placed the egg above coils powered by polyphase alternating current (AC). This created a rotating magnetic field that induced eddy currents in the copper, generating forces that spun the egg faster and faster until it stood vertically like a top. The name nods to Columbus supposedly making an egg stand by lightly cracking it – showing that groundbreaking ideas seem simple once demonstrated. This elegant experiment showcased the power of Tesla's AC induction motor principle, helping win the "War of the Currents" against Edison's DC system. A beautiful blend of physics and showmanship! ⚡🥚 🎥physicsfun
1:11

🚀 Nikola Tesla's "Egg of Columbus" – A Brilliant Demo of Genius! In 1893, at the Chicago World’s Fair, Tesla wowed crowds with a spinning copper egg that stood upright on its tip – all without touching it! How? He placed the egg above coils powered by polyphase alternating current (AC). This created a rotating magnetic field that induced eddy currents in the copper, generating forces that spun the egg faster and faster until it stood vertically like a top. The name nods to Columbus supposedly making an egg stand by lightly cracking it – showing that groundbreaking ideas seem simple once demonstrated. This elegant experiment showcased the power of Tesla's AC induction motor principle, helping win the "War of the Currents" against Edison's DC system. A beautiful blend of physics and showmanship! ⚡🥚 🎥physicsfun

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