Researchers propose a simple magnetic switch using altermagnets
Controlling magnetism in a device is not easy; unusually large magnetic fields or lots of electricity are needed, which are ...
Interesting Engineering on MSN8 小时
World’s smallest: Bee-mimicking flying robot uses magnets to aid in search, rescue
UC Berkeley's tiny, bee-inspired flying robot weighs 21 mg, hovers, and hits targets using magnetic fields for potential ...
来自MSN1 个月
Researchers Develop Magnetic Sensor System to Detect Counterfeit Lithium-Ion Batteries
The study revealed that each battery sample exhibited a unique magnetic field pattern, enabling the successful identification of individual LIBs. Specifically, differences in the shape and size of ...
来自MSN14 天
Where did the universe's magnetic fields come from?
a giant "dust battery" operating when the first stars appeared. Magnetic fields are everywhere in the universe. Of course, there's Earth's magnetic field, which deflects dangerous cosmic radiation ...
Hackaday6 年
Magnetic Bearings Might Keep This Motor Spinning For Millennia
but it seems clear that his motor will likely outlive any chemical battery used to power it. Whatever the numbers are, we like the styling of the thing, and the magnetic bearings are cool too.