Name Electromagnetic Technologies

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Electromagnetic technologies encompass a wide range of applications, including particle accelerators, maglev trains, mass spectrometers, and various electronic devices. Key examples include wireless data and power transmission, satellites, efficient generators and motors, and advanced sensing technologies like medical imaging and radar. The discussion highlights that nearly all modern technologies rely on electromagnetic principles, emphasizing the fundamental role of electromagnetism in everyday devices and advanced scientific equipment. The conversation reflects a curiosity about the breadth of electromagnetic applications beyond the commonly known examples. Overall, electromagnetism is integral to both current and emerging technologies.
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Hi all,

Examples of electromagnetic tecnologies that I am familiar with are particle accelerators, maglev trains, and mass spectrometers... however, I am curious as to what other tecnologies currently exist that involve electromagnetism. Thanks!

Cheers,

Matts
 
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Automobile speedometers. (And everything else that has wires. Just as a starting point..)
 
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Sounds like a nicely phrased homework question!

Anything that has wires or a circuit board or produces light, pretty much.
 
Hahaha! Nice try MK ;) Actually this question arose from me DOING my homework on particle accelerators. Now I am just curious about other technologies.

Anything with a circuitboard is more electronics with a small component of electromagnetism isn't it?

Is this all we have in the form of forefront electromagnetic technologies?
 
"Electromagnetic"
-wireless data and power transmission.
-satellities, or infact any device using the EM spectrum (including all light devices). :)
- Giant, efficient generators and motors.
- Small, powerful, precise robotic motor actuators
- hundreds of types of sensing
- i.e. medical imaging, X-Rays
- radar, remote sensing

Come on.

Almost all cool technologies are electromagnetic.
 
(Almost...) everything we perceive on this planet, apart from the force holding us down, is electromagnetism. Condensed matter interacts almost entirely through electromagnetic effects - all except the exotic stuff that nobody was even aware existed a hundred years ago.
 
I was using the Smith chart to determine the input impedance of a transmission line that has a reflection from the load. One can do this if one knows the characteristic impedance Zo, the degree of mismatch of the load ZL and the length of the transmission line in wavelengths. However, my question is: Consider the input impedance of a wave which appears back at the source after reflection from the load and has traveled for some fraction of a wavelength. The impedance of this wave as it...
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