It’s made of nothing. It’s a force. When you measure magnetic field you measure the strength of the field. You can forget about everything else. When you pull a car with a rope what is the force composed of? Nothing.
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Whatever, "field" might be measured, what’s being measured(far as strength), is the field’s energy level. If fields are comprised of, "nothing", rather than energy, E=mc2 is wrong. https://physics.info/energy/ Trying to define it, is another matter, entirely(no pun intended). |
Not sure where Rodman & Geoff are taking this thread, but regarding CD cleaning/treatment, I'll re-post what I wrote on that other thread (linked near the top of this one). The OP there took my advice and seems very pleased, so here it is again... I've spent some time on this, so I'll share what I've found... for what it's worth. In most cases, you only need to clean (or treat) new discs. Warm water & mild hand-soap will do about 90% of the job, but a good treatment will do even more (for better or worse - read on...). I've tried a number of CD treatments, Ultrabit, Liquid Resolution, Shine-Ola and maybe a few more. All provided 'cleaner' sound, but also added brightness to the sonic balance. Liquid Res. was the most neutral of those above (but no longer available). HOWEVER... the absolute BEST of all is L'ART DU SON. It not only cleans the CDS, it also provides a very natural sonic balance and almost seems to enrich the midrange. I use it on every new disc I buy. VERY highly recommended! |
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