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Ah, 5G… It’s a mixture of new technologies, the most “interesting” being mmWave, or millimeter wave.
Aha.Thanks(*_*)
CommentHey Scottie, great stuff (again), this time on EMF dangers-on-steroids if you will — almost makes me forget that 2G-4G cellphones (plus WiFi & stuff) are bad enough already. As mentioned earlier (in a Fb Page) comment, I have built and am trying to market some simple grounding cables for notebook computers and tablets/phones that go in a similar direction and alleviate at least SOME of the health effects. Anyway, the 5G topic goes way beyond — as I said, think all that sh!t on-steroids…
BTW, have you moved — aren’t you originally from FL or something?
Anyway, keep up the good work & keep getting the info ou there!
VOLTAGE PULLS FROM POSITIVE TO NEGATIVE – CURRENT FLOWS FROM NEGATIVE TO POSITIVE?
I learned in school that electricity is the flow of electrons from the negative terminal of source thru a circuit to the positive terminal of source.
And most schematics indicate flow from negative to positive.
I’ve also seen a few schematics depicting the direction of electricity from positive to negative.
So what gives? Is this a “top thinking secret of the illuminati? (ha ha)
Perhaps I can consider that electricity flows from positive to negative if electricity pulls not pushes. Consider the circuit as an extension of the positive terminal when connected to negative pulls electricity from the positive with the duration of near zero fraction of a second the pulling voltage begins pulling at the negative terminal of the source.
I consider that by understanding of both theories of the direction of current flow immensely important when thinking about Earthing, EMF, WiFi, mmWaves etc in that when I’m thinking about my mental model of reality, visualizing electricity. Knowing both theories of electricity flow direction allows me to “back up” from visualization problems and gives me a moment to look at my visualization and try again with the opposite direction of electricity flow. (voltage pulls from positive to negative – current flows from negative to positive)
It depends on who you ask. Physicists usually use negative -> positive, which makes sense since electrons have a negative charge. Engineers do positive -> negative, because engineers. 🙂 In the end, it really doesn’t matter because the math works out the same either way as long as you’re consistent. Confused the heck out of me at first since I learned the physics way on my own, then got to engineering school and they told me DC current flows from positive -> negative. But then somebody asked, “Wait, why + -> – since electrons are negative?” and they explained the ‘relativity’ and math and all that. It would actually make more sense to do negative -> positive since electrons in a battery flow that way. But then you get into semiconductors and stuff, and they actually talk abouto the flow direction of electrons and ‘holes’ (aka lack of an electron). So, holes can flow just like electrons. How about that? LOL!
Thanks – I’ll take physics over engineering most of the time. I remember learning about p-doped and n-doped layers of transistors in tech school. Another thing I find confusing is EMF has an electric component and a magnetic component perpendicular to each other. I suppose the electric component may be the same as in a capacitors electric field between plates except the fields polarity changes in sync with the frequency and the magnetic component the same as flux lines of a natural magnet only alternating north and south with the frequency of the EMF?
Perhaps another thinking experiment here – lightening travels sky to earth – sky to sky – and sometimes earth to sky. When I can clearly see some lightening from sky to earth and I know the Earth has a reservoir of electrons why does the direction appear to be from positive to negative. So I think that may because rarefication begins at the PULLING of the positive sky – PULLING thru the electric field between sky and in a flash travels yo the negative Earth.