Iron-Nail Bridge
Exhibit Dimensions: Transport dimensions: 540×440×640mm, Display dimensions: 540×440×1450mm. Exhibit Composition: Consists of an ABS plastic molded cabinet, ABS plastic molded pedestal, ABS milky white plastic molded operation countertop with color silk-screen flip-up instruction plate, delay circuit, stainless steel illuminated self-reset metal button, leakage protector, electromagnet, nails, storage basket, etc. Operation: 1. Press the "Power On" button, the timer starts counting; 2. Within the specified time, use small iron nails to connect the left and right "bridge piers" to build the "bridge deck"; 3. Press the "Power Off" button and observe the phenomenon. Scientific Principle: Why can small iron nails attract each other to form a "bridge deck"? The "bridge piers" on both sides are iron cores with coils wound around their surfaces, i.e., electromagnets. When power is off, the "bridge piers" have no magnetism, but when the coil is energized, the iron core in the middle becomes magnetic. At this time, when small iron nails approach the "bridge piers", they are attracted and also become magnetic. Because magnetic force has the characteristics of like poles repelling and opposite poles attracting, the iron nails can connect end to end between the two "bridge piers" to form a "bridge deck".
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- China Science and Technology Museum Standard Edition CSTM Standard EditionExhibit Dimensions: Transport dimensions: 540×440×640mm, Display dimensions: 540×440×1450mm. Exhibit Composition: Consists of an ABS plastic molded cabinet, ABS plastic molded pedestal, ABS milky white plastic molded operation countertop with color silk-screen flip-up instruction plate, delay circuit, stainless steel illuminated self-reset metal button, leakage protector, electromagnet, nails, storage basket, etc. Operation: 1. Press the "Power On" button, the timer starts counting; 2. Within the specified time, use small iron nails to connect the left and right "bridge piers" to build the "bridge deck"; 3. Press the "Power Off" button and observe the phenomenon. Scientific Principle: Why can small iron nails attract each other to form a "bridge deck"? The "bridge piers" on both sides are iron cores with coils wound around their surfaces, i.e., electromagnets. When power is off, the "bridge piers" have no magnetism, but when the coil is energized, the iron core in the middle becomes magnetic. At this time, when small iron nails approach the "bridge piers", they are attracted and also become magnetic. Because magnetic force has the characteristics of like poles repelling and opposite poles attracting, the iron nails can connect end to end between the two "bridge piers" to form a "bridge deck".
Exhibit Dimensions: Transport dimensions: 540×440×640mm, Display dimensions: 540×440×1450mm. Exhibit Composition: Consists of an ABS plastic molded cabinet, ABS plastic molded pedestal, ABS milky white plastic molded operation countertop with color silk-screen flip-up instruction plate, delay circuit, stainless steel illuminated self-reset metal button, leakage protector, electromagnet, nails, storage basket, etc. Operation: 1. Press the "Power On" button, the timer starts counting; 2. Within the specified time, use small iron nails to connect the left and right "bridge piers" to build the "bridge deck"; 3. Press the "Power Off" button and observe the phenomenon. Scientific Principle: Why can small iron nails attract each other to form a "bridge deck"? The "bridge piers" on both sides are iron cores with coils wound around their surfaces, i.e., electromagnets. When power is off, the "bridge piers" have no magnetism, but when the coil is energized, the iron core in the middle becomes magnetic. At this time, when small iron nails approach the "bridge piers", they are attracted and also become magnetic. Because magnetic force has the characteristics of like poles repelling and opposite poles attracting, the iron nails can connect end to end between the two "bridge piers" to form a "bridge deck".
- Optimized Popular Edition Optimized EditionExhibit Dimensions: Transport dimensions: 540×440×640mm, Display dimensions: 540×440×1450mm. Exhibit Composition: Consists of an ABS plastic molded cabinet, ABS plastic molded pedestal, ABS milky white plastic molded operation countertop with color silk-screen flip-up instruction plate, delay circuit, stainless steel illuminated self-reset metal button, leakage protector, electromagnet, nails, storage basket, etc. Operation: 1. Press the "Power On" button, the timer starts counting; 2. Within the specified time, use small iron nails to connect the left and right "bridge piers" to build the "bridge deck"; 3. Press the "Power Off" button and observe the phenomenon. Scientific Principle: Why can small iron nails attract each other to form a "bridge deck"? The "bridge piers" on both sides are iron cores with coils wound around their surfaces, i.e., electromagnets. When power is off, the "bridge piers" have no magnetism, but when the coil is energized, the iron core in the middle becomes magnetic. At this time, when small iron nails approach the "bridge piers", they are attracted and also become magnetic. Because magnetic force has the characteristics of like poles repelling and opposite poles attracting, the iron nails can connect end to end between the two "bridge piers" to form a "bridge deck".
Exhibit Dimensions: Transport dimensions: 540×440×640mm, Display dimensions: 540×440×1450mm. Exhibit Composition: Consists of an ABS plastic molded cabinet, ABS plastic molded pedestal, ABS milky white plastic molded operation countertop with color silk-screen flip-up instruction plate, delay circuit, stainless steel illuminated self-reset metal button, leakage protector, electromagnet, nails, storage basket, etc. Operation: 1. Press the "Power On" button, the timer starts counting; 2. Within the specified time, use small iron nails to connect the left and right "bridge piers" to build the "bridge deck"; 3. Press the "Power Off" button and observe the phenomenon. Scientific Principle: Why can small iron nails attract each other to form a "bridge deck"? The "bridge piers" on both sides are iron cores with coils wound around their surfaces, i.e., electromagnets. When power is off, the "bridge piers" have no magnetism, but when the coil is energized, the iron core in the middle becomes magnetic. At this time, when small iron nails approach the "bridge piers", they are attracted and also become magnetic. Because magnetic force has the characteristics of like poles repelling and opposite poles attracting, the iron nails can connect end to end between the two "bridge piers" to form a "bridge deck".