Understanding how we use electromagnetic waves to transmit information. License: Creative Commons BY-NC-SA More information at k12videos.mit.edu/terms-condit...
This is absolutely brilliant. I am a very senior citizen trying to learn subjects that I was supposed to learn many years ago. I thought it was Impossible until now. Thank you, thank you, thank you
@@ob1keno227 The more witchcraft-y thing is that it is not witchcraft at all. We understand it very well, through hundreds of years of progress of science, technology, engineering and math. Take some physics classes and it won't be "witchcraft" anymore.
Yea, this is not our tecnology. Aliens are sharing this to us as time gets by. People don't see the impossible jump from one technology to another. Only know to say "ThERe ArE GeNiUsEs".
Don't forget to say that when receiving the waves of FM the device that receives them decodes the waves from a already written library of numbers for each wave. So this is why its so fast, each wave is already programmed to read FM .This is why AM radio is not as good as FM As am does not decode it just reads the waves as a high or low pitch wave. The reason this is so important is people still don't understand how it works as a whole. So each radio depending on who created it, works with a already written program to decode each wave as a one or zero. If you only have a AM radio it does not have any prerecorded information in it so it just picks up the waves and send them to your speaker. We use to call it a echo machine as it would just echo wave sounds into your speaker. But FM will read the waves like zeros and ones depending on the burst of frequency of each wave. If its one short blast or wave, then its a one. if there is a relaxed wave its a zero. The higher the range for the wave, the higher the pitch, the lower the wave or the more relaxed the burst, the lower the pitch.
@@MrBeen992 yes and no, over the years it's advanced to be what it is. Like with WiFi. But yes, you are right. But the wave was recorded and received different.
Yes! The carrier frequency for Wi-Fi is about 2.4 GHz, which is the same frequency as the radiation emitted by most microwaves. This is why microwaves can interfere with Wi-Fi signals. We used a Wacom tablet and the SmoothDraw software to make the video.
I am in love with how you teach and simplify all of the problems the most of the student face your genius well done I hope all the teacher and professors out there learn from you
All these years of using a smartphone and today is the first time I have stumbled upon how they work. The explanation is so on point that there is nothing to discard.
Man I've read so much articles on this, and this short 7+ mins video drives the point home better than all those articles. Thanks, now the search ends here.
Computer only understand 1 and 0... While youre sending high and low frequency the receiver will demodulate the signal and depending to it's corresponding combination of 1s and 0s the original information will be retrieved . I love how you made the example from analog to digital signal. Thank you 🙏
With the case of AM you said the receiving device has to listen out for a specific frequency. What does the receiving device have to listen out for in the case of FM?
Carrier waves are interacted with signal waves coming from some radio station to change the amplitude, right? Is this done when we change to different AM stations on the radio? What are carrier waves? What exactly do you do to achieve this? Could you please make it clearer? Thanks!
Reminds me of a fishing date, if you find or have a decent lady, rapalas are decent, yet the mainly have treble hooks, strike king might be better, now worms with a lady, not sure how that would turn out, if your a vegan a model car would be good clean fun. Thankyou for the very informative video young man.
Amazing how you clarified hundreds of book pages in less than 8 minutes. You are my hero!
wallyaudio your right you can only understand this if you already know this
1:26 the density of air does not change...does the density of water change as a wave travels through it?! Absolutely not.
@@ajcook7777 looks like you have shallow knowledge on this subject..
Hari Kishore This is a great explanation for people with limited science background. This video is not directed towards his staff at MIT
Agreed. Thanks to EEE
This is absolutely brilliant. I am a very senior citizen trying to learn subjects that I was supposed to learn many years ago. I thought it was Impossible until now. Thank you, thank you, thank you
yea my man I'm 24 if I can do it why couldn't you
Crazy how we take things like this for granted. So cool learning this stuff. Amazing video.
Agree, this is basically witchcraft 😂
Once you understand how it works, the really amazing thing is the speed at which it works.
GolfSauce This is revolutionary it's almost an experiment when figuring this out because you can't visually see a wave , this is pure genius
@@ob1keno227 The more witchcraft-y thing is that it is not witchcraft at all. We understand it very well, through hundreds of years of progress of science, technology, engineering and math. Take some physics classes and it won't be "witchcraft" anymore.
Yea, this is not our tecnology. Aliens are sharing this to us as time gets by.
People don't see the impossible jump from one technology to another. Only know to say "ThERe ArE GeNiUsEs".
Don't forget to say that when receiving the waves of FM the device that receives them decodes the waves from a already written library of numbers for each wave. So this is why its so fast, each wave is already programmed to read FM .This is why AM radio is not as good as FM As am does not decode it just reads the waves as a high or low pitch wave. The reason this is so important is people still don't understand how it works as a whole.
So each radio depending on who created it, works with a already written program to decode each wave as a one or zero.
If you only have a AM radio it does not have any prerecorded information in it so it just picks up the waves and send them to your speaker. We use to call it a echo machine as it would just echo wave sounds into your speaker.
But FM will read the waves like zeros and ones depending on the burst of frequency of each wave. If its one short blast or wave, then its a one. if there is a relaxed wave its a zero. The higher the range for the wave, the higher the pitch, the lower the wave or the more relaxed the burst, the lower the pitch.
So that's why FM is called digital (in terms of transmitting 0 and 1) in this video?
@@Rafa-yw8nu Yes because it is digital.
So FM radio was always digital since the 1930s it was invented ? ? ?
@@MrBeen992 yes and no, over the years it's advanced to be what it is. Like with WiFi. But yes, you are right. But the wave was recorded and received different.
@@GameCreatorOfGod OK, but this video doesnt explain how FM transmited information before the digital age
Yes! The carrier frequency for Wi-Fi is about 2.4 GHz, which is the same frequency as the radiation emitted by most microwaves. This is why microwaves can interfere with Wi-Fi signals.
We used a Wacom tablet and the SmoothDraw software to make the video.
“Ear does some complicated process to transcribe those into sound”
Ear: bitch this shit aint complicated
If you want to find the key to the universe think in terms of energy , Frequency and vibration - Nikola Tesla 1856 - 1943
I'll wait for someone to make a video about that one too
@@captainaffection hahahahaha
Heat and magnetic field also i think
This is pretty true, but then people take those terms and make up fantastical ways to apply them to humans.
We are radios. All life is sound phonons vibration measurement at speed of light hz, watts......
Atomic, biolectric.
you're a gifted teacher
I've been trying to answer this question for years. You answered it simply and made perfect sense. Thank you
I’m still confused as to how a computer translates these numbers
@@antoinieeugene they convert these waves into electrical signals using a transducer and from there, signal processing takes place
Wow. This video looks simple, but did an AMAZING job explaining it.
I am in love with how you teach and simplify all of the problems the most of the student face your genius well done I hope all the teacher and professors out there learn from you
All these years of using a smartphone and today is the first time I have stumbled upon how they work.
The explanation is so on point that there is nothing to discard.
I have been trying to understand it from 3 hours and you just did it in less then 8 mins !!! I mean wow!! ❤️
Man I've read so much articles on this, and this short 7+ mins video drives the point home better than all those articles. Thanks, now the search ends here.
Any idea what this type of study would be called for a college course/degree?
That's really helpful！It took me less than ten minutes to understand the basic of wireless communication.
I only studied business and managed to understand your explanation so easily! You're awesome!!!
Perfectly explained! Great curser writing too!
I’ve just learned about electro waves in 8mins then 5 years in school. Thank goddess To people like you and technology!
Videos like this make me love CZcams so much! Xoxo
hi i'm italian and i'm using your video to learning english and electricity :D THANKS
Thank u bro. I like the start by saying you saw waves caused in a lake all that stuff.
Thank you so much for this video! Much love and peace!
Off topic-> you're an artistic person your handwriting and wave drawing is so clean to look at
What a super video, it was a thing i was wondering about for a long time how that works, thanks for simplifying so intresting !
Short and sweet but powerful!!
WONDERFUL PRACTICAL PRESENTATION!!! THANK YOU !!!
Amazing explanation. It's all clear now. Thank you!
You are a genius, the way how you simplified the explanation is great! Thank you.
wow of al the videos i searched this is the one i needed!!
Computer only understand 1 and 0... While youre sending high and low frequency the receiver will demodulate the signal and depending to it's corresponding combination of 1s and 0s the original information will be retrieved . I love how you made the example from analog to digital signal. Thank you 🙏
This the way to teach ,,which majority of lacking...thanks 👍 bro love from INDIA
This guy just cleared my concept which was giving me stress. Thnks bro
so easy to understand! Thanks so much!
great tutorial... thanks for the simplification
thanks for this video
i understood perfectly
It was a super fantastic explanation. I knew about the waves and that information in bits. But I was missing the link between them.
Dude, you deserve a Nobel, in my opinion
absolutely great!
Very well explained. Thank you
The best explanation!
thanks! i finally found what i looking for
Great tutorial!
So good response to query ...🙏🙏thanks 👍👍
Great video!
Awesome video!
Awesome video. Easily understood the concepts.
i wanna see how the people reacted when Radio was introduced. it is the greatest innovation of all time.
This was unreal. Thankyou
AWESOME VIDEO SIR........
That was great! Thanks
Very helpful thanks!
Really help ful im sending this by frequency modulation
Big help thank you !
Great job, bro
Very good, thank you x
Nice video, Mr...
Thank you. My brain is satisfied with the answers you have given in this video. I can go to sleep now.
Thank you. So clear.
Great video.
the video is very informative. thank you
Plus visible light, nice job on the video
Thanks for sharing
Heartfelt thanks
Great information...
This was really helpful
world needs more heroes like you
thanks so much bro. great work keep it up
Thank you for this information.
Beautiful explanation
THIS IS SO INSANE MY MIND HAS BLOWN!!!!
Thank you!
Great job sir thanks
great explanation
THANK YOU!!!
Well explained...
What software was used for this?
Just another comment to say you are awesome. You are awesome
Hey, awesome video. What software you're using for the writing part?
Very nice and informative
Loved this video. Leaves me wondering how FM radio works, though. How are complex sounds transmitted via analog?
Well Explained Buddy
Really amazing ty
Thank you 🙏🏿
Thanks. This vidio is very helpful. I
Excellent sir
To the point answer, i liked it
amazing, finally i understand how light can carry information, thank you so much
how light can carry information?
So the FM wave is also transported by a carrier wave? In that case, does a higher frequency carrier wave imply larger data transfer rates?
cooldude 4172 yup
Thank you, God. Thank you.
With the case of AM you said the receiving device has to listen out for a specific frequency. What does the receiving device have to listen out for in the case of FM?
opened my eyes
Carrier waves are interacted with signal waves coming from some radio station to change the amplitude, right? Is this done when we change to different AM stations on the radio? What are carrier waves?
What exactly do you do to achieve this? Could you please make it clearer? Thanks!
Still relevant 9 years later
thnx man😃
Excellent
Well that makes sense, finally. Ive watched loads of vids and learnt nothing. Watched yours once and now i know..Cheers mate.
Hello, Great video! What did you use to make the drawings on the screen?
Bravo 👏👏🙌💪 bro
Reminds me of a fishing date, if you find or have a decent lady, rapalas are decent, yet the mainly have treble hooks, strike king might be better, now worms with a lady, not sure how that would turn out, if your a vegan a model car would be good clean fun. Thankyou for the very informative video young man.
you deserve my subscribe. great teacher. keep it up! salute, but you dont explain about wifi, 2G, 3G, also 4G please!
Wonderful