[JP] Japan introduces magnetic levitation for cars

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Japan introduces magnetic levitation for cars: the end of all engines and batteries

A team of researchers from the Okinawa Institute of Science and Technology (OIST) has developed an innovative magnetic levitation track that operates without continuous power. The system requires an initial power input to generate a magnetic field, after which vehicles can levitate and move along the track without the need for traditional propulsion systems like batteries or motors. This groundbreaking technology works by using diamagnetic materials in the vehicles, which interact with a series of magnets embedded in the track to create a powerful magnetic field. This field causes the vehicles to float a few centimeters above the surface, effectively eliminating friction and enabling efficient movement.

The concept is similar to the technology used in Maglev trains, which also utilize magnetic levitation. However, unlike conventional Maglev systems that require a constant supply of electricity to maintain the magnetic field, the OIST system only needs power during the initial setup phase. This significant advancement could pave the way for more energy-efficient transportation solutions.

To create this system, the researchers used a mixture of pulverized graphite, a form of crystallized carbon, combined with wax to form a paste. This paste was then used to make a plate with a continuous grid of magnets underneath, powerful enough to induce the levitation effect. This setup allows for frictionless movement, making it particularly suitable for applications in transportation where reducing energy consumption and increasing efficiency are key.

Despite the promising potential of this technology, there are challenges to overcome before it can be implemented on a larger scale. One major issue is reducing kinetic energy at the surface level, which is necessary for cooling the system into the quantum domain and increasing its self-sufficiency and sensitivity at larger scales. Another challenge is vortex damping, which involves preventing the loss of energy in the graphite material when exposed to a magnetic field over time.

Overall, this development represents a significant step forward in magnetic levitation technology, with the potential to revolutionize the way researchers think about transportation and energy efficiency.

Info based on: https://www.ecoticias.com/en/japan-magn ... ines/4687/ Accessed 2024-08-01