Magnetic Levitation
A future of flying trains, cars, and much more starts here.
Magnetic levitation also known as maglev, is technology that uses magnetic fields to propel and levitate objects. This technology can come in many different forms such as high-speed transportation, levitating trains and medical devices
Most maglev systems use a series of superconductor magnets are placed on the bottom of an object and another set placed on the track or platform. When the two superconductors are placed on top of each other their magnetic fields will repel causing the object to float. You can try this at home by flipping one of the two magnets and trying to push them together, if you do it correctly you should feel sort of an invisible ball like thing repelling the magnets. On trains when the object is floating all it has to do is be propelled causing it to move at maximum speed with 0 friction.
Maglev technology has several advantages such as faster speeds and lower friction, but this comes at a cost. Because the materials cost more, the infrastructure is different and more costly. Despite all the challenges, maglev technology has been implemented in several countries including Japan, China, and Germany. This technology is relatively new and could be seen as incredibly useful in day to day life sometime in the future.
Related subject
https://en.wikipedia.org/wiki/Magnetic_levitation#:~:text=Magnetic%20levitation%20(maglev)%20or%20magnetic,force%20and%20any%20other%20forces.
https://www.sciencedirect.com/topics/engineering/magnetic-levitation
https://www.britannica.com/technology/maglev-train
https://math.ucr.edu/home/baez/physics/General/Levitation/levitation.html
Take Action
https://www.launch.umd.edu/project/1759
https://www.omf.ngo/magnetic-levitation-platform/
