资讯

Explore the history and science of magnetism! From magnetite and compasses to Gilbert's discoveries, Oersted's ...
The Indian automotive sector, especially electric vehicle manufacturers, is grappling with a critical shortage of rare earth ...
The current unease over rare earth magnet supplies is a déjà vu moment for India’s automobile industry. The industry, having ...
On the contrary, students will find that the phrase Elements of Electricity and Magnetism really means that satisfactory grounding in essential ideas and their relations which is only possible to ...
ICRA warns that tightened rare-earth magnet exports from China could severely impact Indian auto production, affecting both ...
Physicists are always searching for new theories to improve our understanding of the universe and resolve big unanswered ...
Indian manufacturers seek alternatives to rare earth magnets for electric vehicles due to supply chain challenges and innovation opportunities.
This discovery, which showed a connection between electricity and magnetism, was developed by the French scientist André Marie Ampère. Ampère studied the forces between wires through which ...
Graphite, long thought mundane, hides a shocking secret — it can become a superconducting magnet when cooled and configured ...
Rare earth magnet shortages threaten India’s auto sector, with inventories depleting by mid-July 2025 due to China’s export curbs. Strategies like local production and alternatives are critical to ...
Multiferroics are materials that exhibit more than one ferroic property, typically ferroelectricity (i.e., a spontaneous ...
Copper coils become electromagnetic swings. The current generated when one copper coil swings through a magnetic field will start a second coil swinging, showing some of the ways that electricity and ...