Rotating Golden Egg
- In stock with stable lead times — single units or complete sets
- Size, appearance and interaction can be adapted to the museum’s theme
- For science museums, campus science rooms, community science centers and mobile science museums
- Export packing and overseas on-site installation support
Rotating Golden Egg/Rotating Silver Egg/Rotating Iron Ball - Science Museum Exhibits Scheme
Science Behind It
A set of permanent magnets is placed under the metal egg, and the direction of the magnetic field changes constantly when the handwheel is turned. This set of magnets can generate a rotating magnetic field. As the metal "egg" is a closed conductor, induced current is generated under the action of the rotating magnetic field, forming a magnetic field. The interaction between the two magnetic fields causes the metal "egg" to rotate. And when the rotational kinetic energy remains constant, the smaller the body's moment of inertia, the greater the rotational speed.
source factory of science museum exhibits - Shanghai Inertia Automation Co., Ltd. Remind athletes to hold their bodies tightly in order to minimize their moment of inertia. Golden eggs are like ice skaters. When they stand up, their moment of inertia decreases, making them easier to rotate.
Exhibition items description
The exhibition items are a metal egg placed on a disc with a transparent structure, where three coils placed at a 120 degree angle to each other can be clearly seen below the disc. Participants press the button, and the three coils are connected to three-phase AC power. The metal egg in the disc will rotate and slowly stand up as the speed increases.
source factory of science museum exhibits - Shanghai Inertia Automation Co., Ltd. Participants can also reverse the phase sequence of any two coils by using the reversing button, thereby reversing the direction of magnetic field rotation. At this point, the Golden Egg will also rotate in the opposite direction.
form of expression
Mechanical and Electrical Interaction
How to Operate
1. Participants press the start/stop button to watch the movement of the metal egg in the disc;
2. Press the direction change button and watch the golden egg rotate in the opposite direction;
video demonstration
