I believe old scientific films like this one explain the fundamental principles of science in a more comprehensible way.

Conversation between two atoms: "I think I've lost an electron!" "Are you sure?" "Yes. I'm POSITIVE."

I do much prefer the way information was presented back before the 80s, they would just tell you how stuff worked in a frank way without any frills, documentaries about science or engineering turned into a series of special effects where the makers seem to believe that no-one would be interested in the subject so needed to be distracted with nonsense. The Assent Of Man or Cosmos are still the benchmarks IMO of how to make science interesting and educational. No-one learns anything from TV these days, it's all 'well this is an idea of how we think electricity works but if you believe it's different then that's equally valid'.

I love the honesty, "we don't know what electricity is" .... Today nobody knows, but they act as if they know... The truth is that we understand how we can use, but not what it is...

I miss the way people used to speak. In a world of "hash tag" "af" and "og" it's refreshing to hear someone who pronounces the "H" in the words "what and while". Thanks for posting.

Thank you for another trip down memory lane. The videotape recorders shown at 0:15 are Ampex VR-1000s. Two inch tape, moving at 15 IPS, four video heads on a 2.6 inch wheel spinning at 14,400 RPM was able to record a full 4.5MHz bandwidth video signal.

Explanation was just awesome.

I wonder what GE computer that was...ok GE 210 .. hate it when you guys are so good you answer my questions before you read them .. magic

worth watching again and again. one of the great documentaries I have come across.

I just love these older style of documentaries. They have a unique quality to them. Perhaps an earthly tone in their voices etc. Or perhaps they explain it at a slower pace..... More a-tuned to my brain/learning skills 🤣🤣🤣🤣

Thanks for this video , Keep uploading these types of videos 😇👍

I love this 90's documentary style video

Best way of explaining the concept.

Great video, informative and didactic even today!!! ❤️❤️💝

When I was training to do my electrical exams in 1977 i would of loved this vid

Very informative. Somehow, I cannot see this film being used in schools nowadays. Anyway, thanks for putting this out there.

Very good explanation and documentary presentation

@2:50 I thought there was no background music in old documentaries till I reached here...

Thank you very much for your sharing video. It Is very helpfull to understand electricity. I have been waiting for your next videos. Best regard Ismoyo Riamah Indonesia

That was well done.

On the subject of aligned electron spins (aka 'aligned magnetic domains') as the source of magnetic fields: Walther Gerlach (of the Stern-Gerlach Experiment) co-discovered electron spin, which was determined to be the cause of magnetic fields when the electron spins in a sample are aligned in the same direction (in iron, cobalt, and nickel). Gerlach led a project in ww2 for the german army (he was german) - Germany in the 1940s was just as dependent on external sources of energy as they are today (russian fuels in our times). Gerlach led a team investigating Z-pinch fusion, an early 'hot fusion' technique that failed due to plasma instabilities. It was an investigation into a possible energy source. Gerlach's team added a rotational shear (a rotating cylinder) to the Z-pinch reactor, attempting to solve the plasma instability problem. The device ended up being a centrifuge with two electrodes - positive and negative, one on top, the other on the bottom - arranged on the vertical axis of the rotating containment cylinder. Basically, just a Z-pinch fusion device like those of their times with a rotating containment shell. Their 'working fluid' for their modified consisted of mercury, thorium and beryllium. This was NOT the standard working fluid of Z-pinch reactors tested in other countries. It's not known if the radioactive working fluid combined with rotational shear (the rotating cylinder) led to a Z-pinch fusion that attained "break-even plus" output. The project was near the end of the war. This project was known as "Die Glocke", or 'The Bell' in english. I mention this because Gerlach's discovery of electron spin in the 1920s, and the fast follow-on (also in the 1920s) that aligned electron spin in samples (the so-called 'aligned magnetic domains') was also quickly followed by discovery in the 1920s of the Exchange Interaction, which causes spin alignment in adjacent charged particles - including protons and electrons. When the Z-pinch pulse fires across its two electrodes, the plasma forms from the working fluid as in standard Z-pinch devices of the time. But in Gerlach's modified Z-pinch machine - when the electrons are dissociated from the atoms of the working fluid, the electrons remain close to the axis of rotation. The heavier ions are taken up by centrifugal force by the rotating cylinder. If the Exchange Interaction manifests during the pulse-ON-time of the device among the ions collected at the rotating wall, the nuclei may well align their spins. It is not unnatural to think that Dr. Gerlach, already aware of the (magnetic) field effects that manifest in aligned electron spins - may have wondered if any field effects might develop with aligned nuclei spins during the 'ON' part of the pulse. I work with a small team of hobbyists developing a copy of this device, with one exception - we are using Galinstan as our working fluid, which is the non-toxic alternative to mercury. Indium in the Galinstan mixture has a nuclear spin of 9/2, the highest nuclear spin known, matched by bismuth. . .

Brilliant, thanks.

Love these old education film. The end is odd, though. After all that detailed explanation, they don't bother to explain the differences between DC and AC. They only show DC power generation and then at the end show an AC turbine generator (or was that a turban?). There's also a lot more to power generation than just swinging a magnet around, put perhaps that's more of a "part 2" kind of thing

Wonderful !

Very Nice documentary

thank you for bringing this wonderful record back from the past -

It's crazy that teachers still often describe electricity with the antiquated example of water pressure. The way electricity actually works is endlessly weirder.

Why can’t we just make videos like this anymore?

1:03 - The famous experiment of Benjamin Franklin (the man in the $1 bill) who flew a kite with a silk string during a thunderstorm with a key tied to the end of the string. He concluded that lightning is a form of electricity. (Static electricity, to be precise).

Educational

I just loved the documents woow

Even if they watched this program some would still believe electric power comes from a wall socket.

5:17 lemon battery.

Electrons are negitively charged and don't colide while circling around the nuclious. And on the other hand, all the positively charged protons are packed in the nucleous. The million dollars questions that have is how these positively charged Protons packed together? where is the repulsive force between them? So the negatively charged electrons repel each oter and maintain their orbits. Can someone give me an explanation as to why all positively charged packed and not repulsing? Thank you.

16:09 - AC generators are different from DC generators. DC generators have commutators, while AC generators have slip rings. There is another AC generator design where the coils (Stator) does not rotate, but the magnet (Rotor) does.

The young man went on to work for Tesla as a senior consultant

Very interesting, but to know the source of electron flow when copper coil rotates in magnetic field. Thanks

Back in a time when people made right teachings from true experts. Compared to todays so called experts

A warning is needed ahead of this film? We are well and truly screwed.

11:19 That lady is like 2 foot tall!

Is there a narration credit on the film? Have heard that voice many times.

I: intensity of current

why do like charges repel? also what are electrons made of?

Why does it always seem like we're taught electricity "flows" from positive, through a device, and returns to the negative --- when from an electron perspective, the opposite is the case? EDIT/ANSWER: Because the movement of electrons is DIFFERENT from the actual electrical current. It's the movement of electrons from negative to positive, that causes (induces) current to flow from positive to negative. (very simplified, but I'm told this is the right way to think about it)

Sa here

Electricity. First we cooked an elephant. Then we cooked killers. Electricity.

So basically the more I have, the less I am! And the less I have, the more I am! Sounds counterintuitive to me, if only banks worked this way, I could possibly be the wealthiest person on the planet! Notice when the description is given of the battery, both terminals of the battery are negative! But since one is more negative than the other, it's called positive even though there's no positive charge! I have been saying this for a very long time, there is no negative or positive charge! There's only charge and therefore since there are a lot of different molecules that make up all the elements in the periodic table, there can only be different states of charge! One molecule can be positive in relation to one other molecule and also be negative in relation to another totally different molecule.... So this basically means that an atom doesn't have two different opposite charges plus the neutron which has no charge but instead, the neutron which is supposed to be neutral, carries a charge at the midpoint between the electrons and protons..... Assuming that those particules actually exist as they have never been seen to date!!! This is exactly what Benjamin Franklin said about the electric charge, so whoever messed up and misunderstood what Franklin said has messed up everything and everyone else and it's 2022 and the clues are everywhere but no one is noticing.... And then you take a look at quantum mechanics and see opposite charges everywhere for every particule and you just know that when they realise that their core theory which is based on the atom is incorrect and thus all their quantum theories are also incorrect, they are going to fall over LoL 🤣... This is the reason why it's extremely important to be able to see what it is that you are trying to explain, otherwise you are just wasting your time if you can't show me what you are talking about....

COPPER HAS ELECTRONS A MAGNET PUSHES THE ELECTRON THE NEXT ELECTRON UNTIL THE LAST ONER ON THE OTHER END OF THE WIRE PUSHES THE MAGNET ON THE OTHER END TATS BASICALY HOW IT WORKS. SPARKS ARE ELECTROMAGNETIC CHARGE. ROTATING THE ELECTRONS IN AIR UNTIL THEY ARE PALSMA

Tu byłem ,Tony Halik 2022.

You forgot to mention that it is all about European inventions.

Can't think of our technologically advanced modern world without Electrical Engineering⚡🔋🔌💡🔦☎📡🎞📻📺📠📸📟💾🖥📱🔬🔭🛰🚋🚎🚘✈️🚁🛳