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When we think of magnets, our minds often go to the small rectangular objects that cling to our fridge doors. However, magnets are much more than that. They are materials that produce a magnetic field, capable of attracting or repelling other magnets or magnetic materials. Traditionally, magnets have two poles, the north pole and the south pole, with like poles repelling each other and opposite poles attracting.

While ferromagnetic materials are strongly attracted to magnets, there is another type of magnetic property called diamagnetism. Diamagnetic materials are weakly repelled by magnetic fields. Although this repulsion is often difficult to observe, it exists nonetheless.

One fascinating phenomenon that captures our imagination is levitation. Levitation involves suspending an object in mid-air, seemingly defying the theory of gravity. Magnets play a crucial role in achieving levitation. By utilising the repulsive forces between magnets or magnetic fields, objects can be suspended in a state of balance.

In the realm of magnetism, a groundbreaking innovation emerged some years ago – Polymagnets, the world’s first smart magnets. These versatile magnets offer a sophisticated experience by combining traditional magnetic properties with advanced functionality. Unlike conventional magnets, Polymagnets come with a wide range of mechanical functions that can be customised to meet specific needs.

The Polymagnet offers an array of options, including springs, latches, alignment features, snapping mechanisms, torque control, gripping capabilities, twisting functions, and even the ability to soften or release. Imagine a magnet that not only attracts but also performs specific actions based on its design. With Polymagnets, this is now a reality, and they can be made at home!

These smart magnets can be engineered to exhibit various behaviors, enabling them to interact with other objects or components in a unique and controlled manner. Whether you need a magnet that securely latches onto a surface, aligns with precision, or provides a gentle release, Polymagnets can be tailored to fulfill these requirements. Their versatility opens up a world of possibilities for applications across industries, including automotive, electronics, and more.

The ability to customise the mechanical functions of Polymagnets makes them particularly useful in applications where precise control and interaction are needed. For example, in the automotive industry, Polymagnets can be used to create secure and reliable latching mechanisms for doors or compartments. In electronics, these smart magnets can be utilised to align and connect components with precision, ensuring optimal performance.

One intriguing application of magnets and levitation is the diamagnetic levitation of pyrolytic graphite. This simple demonstration showcases how small, inexpensive neodymium magnets can be arranged to achieve levitation. By carefully arranging the magnets, the repulsive forces can counteract the effects of so-called gravity.

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