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In the world of electromagnetism, Lenz's law is renowned for its profound philosophy of "resistance." This law states that the direction of an induced current always attempts to oppose the change in the magnetic flux that caused it. When we place a metal ring (such as an aluminum ring) above a rapidly changing magnetic field (such as the magnetic field generated by a coil carrying alternating current), the changing magnetic field induces vortex-like currents (eddy currents) inside the metal ring. According to Lenz's law, the magnetic field generated by these eddy currents will strive to resist the change in the external magnetic field. If the external magnetic field attempts to strengthen and pass through the metal ring, the induced magnetic field will repel it; if the external magnetic field weakens, the induced magnetic field will attract it, attempting to maintain its original state. It is this magnetic force generated by "resistance" that overcomes gravity, propelling the metal rin
Have you ever wondered how trains can levitate and fly at supersonic speeds? One of the core technologies behind this is the principle of electromagnetic acceleration. This is based on the classic law of electromagnetic induction: when an electric current passes through a coil, a strong magnetic field is generated at the center of the coil. If a small metal ball (a good conductor) is placed near this magnetic field, eddy currents will be induced inside the ball, generating a magnetic field opposite in direction to the coil's magnetic field. The two magnetic fields repel (or attract, depending on the coil's polarity), thus exerting a momentary thrust on the ball. The key is precise control: just as the ball is attracted by the magnetic field and is about to reach the center of the coil, the current is immediately cut off. The magnetic field disappears, and the ball continues to move forward due to its inertia. If a series of coils are arranged in sequence and precisely "energized-de-ene
The "Wall Matrix" transcends the realm of traditional exhibits. It is a public art installation, an immersive interactive experience, and a symbolic showcase of a company's technological and innovative strength. Suitable for science museums, corporate showrooms, commercial centers, art festivals, and high-end event venues, it leaves a lasting impression with its stunning visual effects and engaging participation. Welcome to inquire! Tel: +86 18882709667 WhatsApp: +86 18882709667 Email: zgzqkj@gmail.com / info@zoomkingzg.com
The "Air-Sticky Frisbee" is more than just an exhibit; it's a key, opening a window for us to understand why airplanes can fly and why a breeze can power a windmill—the invisible yet crucial forces that shape our world. This exhibit is suitable for science museums, physics labs, school science corridors, and public science spaces. Its unique interactivity and inspirational nature make it a popular destination for sparking scientific curiosity. We welcome inquiries from educational institutions, science museums, and partners to bring this "seeing the invisible" surprise to a wider audience. Welcome to contact us! Tel: +86 18882709667 WhatsApp: +86 18882709667 Email: zgzqkj@gmail.com / info@zoomkingzg.com
The key to understanding the Doppler effect lies in constructing a dynamic "wave source motion picture" in your mind. If the wave source is stationary, the waves it emits spread outwards like concentric circles centered on it. Once the wave source begins to move, this picture is completely changed: the wave source continuously emits new waves as it moves. Because its position at each emission point is different, waves in front of it in the direction of motion are "compressed" together (high frequency), while waves behind it are "stretched" apart (low frequency). This visual effect of "compression" and "stretching," when demonstrated using visible wave forms such as water ripples and light patterns, becomes exceptionally intuitive and impactful, allowing one to grasp its core idea more instantly than any formula. Our "Doppler Effect" exhibit is precisely such a dynamic theater that perfectly visualizes this abstract picture. You press a button to start the device. The core oscillator b
"The Utilization of Silicon" is not merely an exhibit, but a bridge connecting materials science, modern industry, and public awareness. It is suitable for placement in the core exhibition area of science museums, corporate innovation showrooms, or school science corridors, continuously stimulating visitors' curiosity and reflection on the fundamental questions of science and technology. We look forward to collaborating with various science and technology cultural venues, educational institutions, and enterprises, allowing more visitors to appreciate the beauty of the cornerstones supporting modern civilization through hands-on activities. Welcome to inquire! Tel: +86 18882709667 WhatsApp: +86 18882709667 Email: zgzqkj@gmail.com / info@zoomkingzg.com
The allure of scientific exploration lies not only in observing phenomena, but also in changing conditions, comparing results, and summarizing patterns. The Lenz jumping ring provides an excellent experimental platform. The height the metal ring jumps essentially depends on the interplay between the electromagnetic repulsion generated by induced eddy currents and the ring's own weight. The magnitude of this force is related to several factors: the electrical conductivity of the metal material (e.g., aluminum has high conductivity, generating stronger eddy currents and resulting in a higher jump), the integrity of the ring (a ring with a notch cannot form a complete eddy current path, weakening the force or even preventing the jump), and the strength and rate of change of the driving magnetic field. By systematically changing these variables, visitors can uncover the rich principles of electromagnetism and materials science behind a simple "ring jumping" action, experiencing the joy of
This exhibit not only showcases mechanical principles, but more importantly: Technology History Education: Understanding the incremental and groundbreaking nature of technological innovation Engineering Thinking Development: Learning problem-oriented approaches to technological improvement Social Impact Awareness: Recognizing the interaction between technology and society Interdisciplinary Learning: Integrating knowledge from engineering, history, art, sociology, and other disciplines We sincerely invite museums, science and technology museums, schools, and educational institutions to visit and experience this exhibit. Our professional team can provide customized solutions to perfectly integrate this exhibit into your educational space. Tel: +86 18882709667 WhatsApp: +86 18882709667 Email: zgzqkj@gmail.com / info@zoomkingzg.com
