JC Bose contribution was immense

Sir Jagadish Chandra Bose was the person who first demonstrated the science behind capturing radio waves. Wondering how he is not as well known as Marconi? This is because he never patented his work. Bose is known as the father of wireless telecommunication. He had invented the Mercury Coherer, a radio wave receiver that was used by Guglielmo Marconi to build an operational two-way radio.The science behind capturing radio waves was first demonstrated by Bose. While Marconi was celebrated for his invention, Bose remained unknown to many, as he never patented his work.

Thank you miss Kathy for bringing us up-to-date on the development that Marconi went through, to establish his communication company. However, everyone keeps missing the 1st proven wireless communication. Dr Maylon Loomis, a dentist in the state of Virginia, obtained patents and was working with the US Navy after he performed the 1st wireless communication between 2 mountain tops,14 miles apart using kites with 300' wites going to an arc point on the ground, keying the circuit with a telegraph key. His 1st documented experiment with witnesses to testify, occurred several years before Marconi was even born. He was making progress in developing his project, when a nationwide economic panic occurred, scaring off future investors. He died almost broke with no further progress being made.

I believe there is an article in the ARRL QST magazine, which speculated Marconi did hear the signal on that first transmission due to harmonics from the transmitter and a receiver with low selectivity, so instead of being at medium frequencies that would be unlikely to get through, the transmission and reception was at HF which was likely to get through.

You're a wonderful lecturer, thank you so much for your enlightening and entertaining videos.

Fantastic channel for we learn so much from the greats and history shows the path while unravelling the questions before them, so thank you from me as you do a very good job.

Great and Interesting piece again!!!! Every time I go to Starbucks for coffee and bagel, my first order of business is to watch one of your productions while enjoy my coffee and bagel!!! However, the "one" video always turns into 3 or 4 videos urged on by your "cliffhangers"....lol! Keep up the good work!

I've heard the Russians also were on radio transmission research before Marconi, but it was done under military secret. Years ago I heard on the BBC that there's a working radio in a Russian museum marked with the date of its creation, the inventor being a certain Popov before Marconi. I haven't researched it, though.

Love the details!

Excellent and very informative video. Subscribed!

So enlightening. I always tell folks not to believe everything you hear when it comes to famous inventors.

9:30 what a knowledge nugget, thanks for sharing all of these ❤️

What a wonderful contribution to an historical perspective on science. Thank you.

Absolutely brilliant!

Excellent video! Thank you!

I'm so glad that I stumbled across your vids. The Google algorithm got something right this time. This is High School Physics, with better detail and some much appreciated history. I usually had to look that up o my own, in my school library; so old fashioned ... I'm in my Seventies now, but I feel like a kid again when I watch these AV treats.

Just found channel son of a EE so love this Happy Holidays

great video

Whoa, i had no idea you could detect radio waves with metal powders, or that it still isn't well-understood. Thank you for another great video!

The Russian had their own radio inventor, Alexandr Popov even if he himself stated that Marconi was the father of the wireless (but Popov was late by only a few months).

Hi Kathy, hats off. You have to read N. Tesla's Colorado Springs notes _diary made from 1899 to1901. It is not a nonsense to use energy of ionosphere as (spheric) condenser to discharged it. Maybe technically impossible, but conservation of energy ok

I tried finding this video by searching your channel for #29 but nothing came up. You might think of putting those titles in the description so they can be searched. I eventually found it by looking at the date on #28 and then sorting your videos by date. Great historical information. I will definitely remember the date of the last time there were no human transmissions.

When Aleksandr Popov finally "invented" the radio he was able to listen to the BBC.

Sir JC Bose was a quantum Indian.

Oliver Heaviside definitely deserves a lot more attention and credit.

You are amazing...How about a video on how Hydraulics and Electrical formulas are very similar? Where/how did you learn all this?

Xaverian Jagadish Ch. Bose's London RADIO/wireless telegraphy demonstration was much before Marconi's patent.

At 6:00 it was the letter 'S' , not 'SOS', that Marconi claimed to have heard at Signal Hill which overlooks the city of St. John's, Newfoundland. This is not a criticism, but a correction. You provide so many facts, I would guess errors are

Marconi never lost the view on a radio system as a whole, utilising already made subsystems, and inventing the components that were missing. The breadth of his work was vast; other inventors limited themselves to small parts of the wider system. Marconi was self-educated. Prove is the studies on propagation of radio waves he authored, and all calculations for antennas. Tesla played a very limited part in the radio discovery, as he was working on power distribution. Tesla had no theoretical knowledge of physics, and come to refuse all accepted science. The role of Tesla has been magnified on the Internet lately, without consideration for existing historical about the very minor role, if any, he had in the development of radio.

Lovely video

SUPER 💡 INFORMATIVE

very accurate and easy to comprehend

I Really liked this Video. Please continue the good work madam

First Trans Atlantic signal was received in Newfoundland Canada (Now named Newfoundland and Labrador)

A fantastic book on this is "Early Radio-Wave Detectors" by Vivian Phillips

You omitted the part of the story when Marconi did receive the first trans-Atlantic radio transmission fro Europe at Signal Hill on the Island of Newfoundland.

"Ezina ekinez egina", Basque saying meaning: "the impossible is done through action". I got the feeling that Tesla was to obsessed about patents and that instead home-educated Marconi was only interested in achieving. That's why he won. And probably being home-tutored helped, not so much in grounding his knowledge but in securing his self-confidence. School destroys self-confidence.

Interesting Telsa had a one of his labs down the street from my house in Rocky pt/Shoreham LI. NY and Marconi also had a Lab for one his trans-Atlantic transmissions from the same area which became the RCA property. his "Shack" on the High school grounds

brilliant

It s such a pleasure tom learn from you...greetings

First it was amazing. Edison also had some patents, which transfered to Marconi. Edison formally transfers to the Marconi Wireless Telegraph Company several patents bearing upon the transmission of wireless messages, and gives his services to the company as a technical director. The consideration is a large block of the company's stock.

You are an Angel!

According to Tesla's autobiography J.P. Morgan did not fund his transmitter: "I would add further, in view of various rumors which have reached me, that Mr. J. Pierpont Morgan did not interest himself with me in a business way but in the same large spirit in which he has assisted many other pioneers. He carried out his generous promise to the letter and it would have been most unreasonable to expect from him anything more."

wOW! jUST Loved my first video of yours, Kathy! I shared it to Facebook right away. I wish I had you as my teacher when I was a kid!

Also Built transmitters on capebreton island nova scotia.

Where can I find lecture about atmospheric electricity.

at that time, many knew about electromagnetic induction, only shown into labs and classrooms, Marconi wanted to see how far could he detect it, by sheer trial and error.. its interesting the story that tells his helper shooting a gun far at the distance when he received a signal. I´d like someone to tell me about another story of him remotely turnig lights of an italian city on and off from a distant sheep in the mediterranean ocean. my father story I give high credit to the improvement of the partilce detector]( what a "coincidence" with the carbon microphone!!!) would love you to investigate who and when they came up with the "galena detector" thank you

As a longtime Shortwave listener, I totally understand the ionosphere thing.

The answer is, none of those people. It was an American dentist, Mahlon Loomis, and it was decades earlier! Loomis's story is a truly fascinating one that could well be the subject of one of your videos, but his invention became a historic dead end, and Loomis wound up having no lasting contribution to the business of wireless, and none to the theory. Loomis ran up two kites with wires, in the style of Franklin, at a distance from each other. One had a telegraph key to ground, the other a spark gap to ground. When the kites were at the same height, he was able to transmit from one to the other. Not knowing anything about Hertzian waves, Loomis thought he was completing a DC circuit thru the ground and some channel out of parallel ones that he hypothesized existed in the atmosphere. We now know that he was tapping the sky-to-ground DC potential for the transmitter, and then creating r.f. transients by keying what was effectively an inductive resonator in the form of the long kite wire. When the kite wires were of the same length -- i.e. the kites were being flown at the same height above terrain -- they were resonant. So he didn't know what he was doing, but it worked. He got a US patent for the first wireless apparatus in 1865, and radio amateurs re-created it several decades later to mollify skeptics that Loomis had really done it. Sadly, Loomis was unable to sell his invention, even when he was able to make it work with the Bell telephone in 1877; I suspect the modulation was not great, but the nonlinear characteristics of the carbon microphones of the time could produce r.f. transients, and as many have shown, it's not hard to get some inefficient demodulation to receive sound without any specific electronic components.

You're criminally underrated. These videos are awesome

Great content as usual but this story is not complete without mentioning another Russian, Aleksandr Popov. He had independently improved on Lodge's coherer work around the time of Marconi's announcements, so in Russia he is officially recognised as THE inventor of radio, although he initially was building a lightning detector in 1895 and only refocused on wireless communication later, demonstrating it in 1896. en.m.wikipedia.org/wiki/Alexander_Stepanovich_Popov

Hi Kathy, thanks for another great video. I just visited the Telegraph Museum in Porthcurno, Cornwall where Marconi did some of his stuff. They give a talk at the museum on the history of telegraphy and they talked about a demonstration in 1903 given by Marconi, who sent a supposedly secure Morse code message to a waiting audience at the Royal Institution in London. Unfortunately it wasn't and was hacked by rivals! "There was a young fellow of Italy, who diddled the public quiet prettily"

FINALLY I'VE DISCOVERED YOU _ To explainning for me What does you understand depply.

9:21 is pretty powerful to think about.

One account was JP Morgan wanted Tesla to develop radio have communications between his facilities, factories, plants, etc. Tesla never developed radio to the point of practical communications and eventually JP Morgan ceased funding.

Hey Kathy! I just discovered you minutes ago BUT I can tell from some earlier surfing that I'm going to like you. I subscribed right away so you don't get away.

Just for the sake of History of Science, an italian professor described the making and use of a "coherer" and published his findings in 1884 and 1885 (!) in the italian journal of Phisics "Il Nuovo Cimento"... His name was Temistocle Calzecchi Onesti

Very interesting videos. But please leave that music background, much better listening to youre story. SB.

Galvani, of course. In 1791 Galvani installed an antena on top of house, connected the wires to a frog's leg. When an electrical discharge occurred in a thunderstorm, the frog's leg would move.

why didn't you mention Popov in the video?

Kind of shocking that Ferdinand Braun isn't mentioned

"During the day"? I didn't know that sunlight-radio wave interference was an actual thing!

Where could I find a verifying article that Marconi told his valet. "I'm very sorry, but I'm going to put you and my friends to considerable trouble. I fear my end is near. Will you please inform my wife? Respectfully just curious. I enjoy your videos very much. Thank You

Ma'am do make a video on indian scientist like JC bose

Apparently just like politics and war, the history of technology is also full of lies and con. Thanks for opening my eye on this.

Please, take a look at father Landell de Moura history (Roberto Landell de Moura).

Winning

Useful lectures. A pity about the vocals that introduce them. I dutifully suffer them to get to the meat.

Amazing, how she knows these all!!!?

I would mention there Tesla's remote controlled boat. When that actually happened in this wireless story?

Dear Kathy, you've forgot to mention one pioneer of wireless communication, Jozef Murgaš, who has been visited by Marconi's agents...try to explore that name, you'll be surprised

There have been a number of contentious awardings of that Nobel prize and contentious non awardings . Politics and nepotism.

I didn't get the answer who really invented radio

Hi Kathy, following up on your video I read much of the supreme court ruling (reversing Marconi's patents in 1943). I realize you might not be a lawyer, but are you not surprised by all of the technical language in the opinion of the court?

Goo glee Elmo

For your Kind information..... Jagadish Chandra Bose... invented Wireless.....

Who is the inventor please?

Elisha Gray "My brain is only a receiver" - Tesla

JP Morgen didn’t give Tesla the money for a whole earth enegery tower but for a radio transmitter. Tesla lied to him about the purpose.

How to make resistor and reciver

The Victor write the history,, Nicolas Tesla never made further elaboration about wireless telecommunication and has the theory about wireless electricity.

That destroy our ozone layer.

Marconi whole concept base from jc bose ultra short radio wave device . Jc bose do experiment before marconi,

great video - I had heard Marconi used Tesla's patents, seems like at every turn Tesla got mowed over, He wasn't interested in making money - I think Morgan was all about profiting from the large radio tower, Tesla wanted to allow the masses to access free energy... kinda sad. Kathy, again you are spot on, I'm looking forward to watching the next video !!!

Marconi knew the earth is flat and not moving :)

Nathan Stubblefield

N.Tesla was the GREATEST SCIENCE GENIUS EARTH has known . Did Nikola not build a SUPERTUNED RC BOAT ... A wireless and discrete radio transceiver.

You are a brilliant and highly educated person. But you do know it is pronounced, Teleg--raphy. Not, Tele--graphy. No no no. It's okay. It was a cute flub. You're good. You're very good. I'm truly enjoying your, UKposts videos. All of them! I'm a bit scientific also. I'm a retired, 50+ year engineer. From NBC-TV. At the Network. In Washington, DC. The News Hub for NBC. And so I'm kind of like, Scotty from Star Trek. When something is needed we didn't have. I would toss something together in 10 minutes. Just like on Star Trek! And you have to know what you're doing to accomplish those things. And taking quite a few liberties as you go. To make something from nothing! It's a fun challenge! I loved it! As I would say the technical day numerous times throughout my career with them. And later they would purchase the proper equipment. It was always very funny. How I could throw things together. I don't even know how I did it? I just did it. That's what engineers do. We are problem solvers. And I could get it on the air. Nationwide! So you've got real engineers who are fan viewers. Because we love science! It's what makes our Modern world go round! So keep the great shows up my dear! We love you! Even if you can't pronounce, Teleg--raphy. The right way. You are, Forgiven! Kissy Kissy RemyRAD

And what did Bose do in the field of radio waves?

Wireless telegraph predates electricity - so invention is the wrong word here - it converges when radio is found/decided to be electromagnetic wave/a form of light. The invention/innovation is the detection and modulation. Tesla's patent failed on this(inovation) - so was struck as to broad. This is a case where Tesla's patent "piracy" failed - the US patent system encourages international IP theft by design. :) Thank you for this ...

He didn't hear an SOS It was the letter s on signal hill nfld Cape Cod came later

Tesla had no way of knowing that infinite power transmission was not possible? Well, sure. Nothing is truly known until it is tried out, however there was plenty of evidence that infinite power transmission is not possible. The universe existing is one telling indication.

Ishwar Chandra Bidyashagar from Bangladesh invented the radio in 1895.

Tesla used electrical effects to do the job. Not radio waves.

the father of wireless telecommunication is no other than Jagdish Chandra Bose, an indian phycisist

Nicola Tesla `s contribution was and is so ahead of his time that even to this day ,his intuitive understanding of radiant energy, aether and conter -space concept are very rapidely swept under the carpet , himself called lunatic... or worse...Just 17 frauded patents...Italian money bought Nobel Prize...

Minor correction... Tesla died with a government pension from his homeland.

Kathy, we Italians consider Marconi as the Father of Radio. I realize that the story behind it could be quite different: we had fascism and therefore we could have - how to say? - exasperated facts a little bit. I live a few kilometers from "Collina Dei Celestini" (Celestini Hill), that heap of clay that lies behind Marconi's villa, now interely cultivated with alfalfa, and which the first radio wave "useful for telegraphy" actually surpassed in that famous August of many, many years ago. I'm sorry to contradict you, but I believe that that was the real and only "spark" that radiotelegraphy revealed to humanity, leaving a small window of the attic of Marconi House, today remembered by a marble plaque which says "the first radio wave passed through here" I believe that Marconi must be recognized as the first to have "invented" the ground connection. Actually, grounding made the difference. This cannot be contradicted. A curiosity: the phrase that you refer to as "Damn The Sun", in the original dialect of Bologna, as Marconi himself pronounced, sounds: "Bòia d'un sòul!", being it one of my favorite... insults, when I complain of the sunny and torrid Bolognese summers. Here summers are terrible to stand. Congratulations. You are my favorite and ultimate you-tuber. I admire how you deepen this matters. Not easy deal, indeed. Ciao! Love from Italy!

A doctor , JC bose invented wireless communication. He was also awarded knight by British Empire. He was from royal society. Pity west has so poor knowledge.

Meanwhile Jagadish Chandra Bose: Everyone forgot me because I am an Indian🙂