John G Williams
The Hill
comments
Comments by "John G Williams" (@johnwilliams8818) on "MAJORITY of Voters WANT Trump on the Ballot; SCOTUS Will Decide Colorado/Maine Access Issues" video.
Does water interfere with electromagnetics? SAI Answer:
Whether water interferes with electromagnetics depends on the context and the specific type of electromagnetic phenomenon we're talking about. Here's a breakdown:
Interference with propagation:
Radio waves: Water significantly attenuates radio waves, especially at higher frequencies. This is why underwater communication often uses different technologies, like sonar or acoustic waves.
Microwaves: Water also absorbs microwaves, which is why microwave ovens use them to heat food.
Light: Water absorbs and refracts light, which is why objects appear distorted underwater. Interference with instruments:
Electrode measurements: Dissolved minerals in water can interfere with electrical conductivity measurements used in sensors and probes.
MRI scans: The presence of water in tissue affects the signal in MRI scans, making it a crucial factor in imaging.
Other interactions:
Magnetic fluids: Certain liquids containing suspended magnetic particles can be manipulated with strong magnets, exhibiting a weak "pseudo-magnetic" behavior.
Electrolysis: Water can be split into hydrogen and oxygen through electrolysis, a process utilizing an electric current.
However, it's important to note that pure water is a very poor conductor of electricity and has minimal interaction with magnetic fields. Most of the observed effects come from impurities present in the water. The degree of interference also depends on the frequency and strength of the electromagnetic field. Lower frequencies and weaker fields generally experience less interference.
Overall, the relationship between water and electromagnetism is complex and multifaceted. While water certainly can interfere with certain types of electromagnetic waves and instruments, it also plays a crucial role in other applications like electrolysis and MRI scans.
You're Welcome!
1