Engineering
High-end equipment manufacturing has experienced rapid development in recent years, and the alternating current (AC) motor is indispensable. Traditional control strategies on the motor driving system cannot fully meet the ...
Oct 18, 2022
0
3
Hardware
Scientists from the Ural Federal University and the Ural Branch of the Russian Academy of Sciences are determining the optimal conditions for 3D printing of permanent magnets from hard magnetic compounds based on rare-earth ...
Oct 17, 2022
0
3
Energy & Green Tech
Testing has begun at Diamond Light Source for an energy-saving super-magnet, designed and built by the Science and Technology Facilities Council (STFC), for our next generation of particle accelerator.
Oct 13, 2022
0
20
Engineering
Permanent magnet synchronous motor (PMSM) systems have been widely used due to their high power density and high efficiency. Digital control systems have been applied to improve the performance of PMSM systems. Proportional ...
Oct 10, 2022
0
8
Engineering
With a reasonable and effective calculation method, physicists from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences have calculated the maximum allowable offset of simultaneous position and angle ...
Sep 30, 2022
0
4
Electronics & Semiconductors
In the future, many computers will most likely be based on electronic circuits made of superconductors. These are materials through which an electrical current can flow without energy losses, could be very promising for the ...
Energy & Green Tech
The development and utilization of rural biomass energy is an important strategy to reduce the use of fossil fuels and resulting carbon emissions.
Sep 20, 2022
0
6
Robotics
A team of researchers at Soochow University, working with two colleagues from the Max Planck Institute for Intelligent Systems and another from Harbin Institute of Technology has developed a type of soft robot that can be ...
Robotics
When you hear the term "robot," you might think of complicated machinery working in factories or roving on other planets. But "millirobots" might change that. They're robots about as wide as a finger that someday could deliver ...
Sep 14, 2022
0
55
Computer Sciences
A student in Carnegie Mellon University's School of Computer Science (SCS) has used reinforcement learning to help control nuclear fusion reactions, a significant step toward harnessing the immense power produced in nuclear ...
Sep 9, 2022
0
341
In physics, magnetism is one of the forces in which materials and moving charged particles exert attractive, repulsive force or moments on other materials or charged particles. Some well-known materials that exhibit easily detectable magnetic properties (called magnets) are nickel, iron, cobalt, gadolinium and their alloys; however, all materials are influenced to greater or lesser degree by the presence of a magnetic field. Substances that are negligibly affected by magnetic fields are known as non-magnetic substances. They include copper, aluminium, water, and gases.
Magnetism also has other definitions and descriptions in physics, particularly as one of the two components of electromagnetic waves such as light.
This text uses material from Wikipedia, licensed under CC BY-SA
