I swear if all kids got to do this sort of thing in science class I can't even imagine how many more people would be stoked on science Great video thank you so much for making these!! you defiantly deserve like 100x more subscribers!
Great vid, great work. As you go along..dab a touch of super glue or hot glue as you go along and then continue...it won't fall apart at the end so much. Templates are very good. Another idea is using the conical style old coffee filters...just cut a small amont at the pointy end to match the diameter of the coil set up. Works OK. I up for any designs. I have more fun than the grandies do, and they love making things.
Could I use some cheap earbuds for the speaker wire? As in, could I cut off the ear-part and strip those ends and then use the audio plug as it came on the earbuds?
The only thing I know about speakers is they absolutely must be in a rigid enclosure if you want to hear the lower frequencies. A speaker, suspended in midair, projects sound forward [obviously] plus it projects the same frequencies rearwards, but perfectly out of phase. Maybe you could see if that experiment works; a side-by-side comparison between your speaker and your speaker in a small, rigid wood, sealed box - or maybe just a big soap bowl.
Also always measure the coil impedance like 8 ohms or 4 ohms, if it is below 4 ohms it will damage your amplifier coz that's a lot of load for them Always check the amplifier minimum and maximum impedance so it won't damage them
Corrugated cardboard may be too thick to work well for this project because it is hard to fold and crease it. Cardstock or manila envelopes will work best, but you can also use regular printer paper if needed.
That's it- I'm making a cardboard boombox with two of these speakers just to mess with people. "Hey, uh... what's that?" O, that's my boombox. "It's... cardboard." Yep. "..." What, you don't believe me? Go on, plug it into your phone and play something. **connects it** **music actually sounds from the goofy speakers** "I... what?! How-" Shhh... just listen to the music. ... the sound of success.
Not sure if this will be answered or how to really go about asking this question but how is it that the copper wires carry the data of the sound being produced? I understand that copper wires conduct electricity and you're having positive and negatively charged molecules go back and forth within the wire but how do the wires carry the sound when all that's happening is that presumably there is an electric charge being sent through the wires which cause the copper wires to emit an EMF(electro-magnetic field) and that EMF is interacting with the neodynium magnet's EMF? I assume because the speaker is vibrating that you're having an extremely minor variance in Amps(maybe voltage too but maybe not) thats causing the vibration but how does that produce the exact sounds of whatever audio i decide to put on? I guess what im asking is, how is the actual sound traveling through the copper wires to get to the paper that amplifies the sound?
Hi - this is a bit more physics than we can explain in detail in a RUclips comment, but the short story is that the sound exists as a digital file on your computer (a bunch of 1's and 0's). That file is converted to an an "analog" (or continuously variable) voltage when you play it on headphones or speakers. Bigger voltage = louder sound. Higher-frequency changes in voltage = higher-pitched sound. That changing electrical signal (which can vary in both magnitude and frequency) travels through the wires and generates a magnetic field in the coil. Since the electrical signal is changing, the magnetic field also changes, again corresponding to the volume/frequency of the original sound. The result is that the speaker cone vibrates more for louder sounds, and faster for higher-pitched sounds, reproducing the sound that was originally recorded.
@@Science.Buddies Thank you so much for answering this! I'll be sure to look into it more. Its a question that's been on my mind more and more as I learn more about how electricity and electronics in general work. Thank you!
Although the OP explained it rightfully but if you wish for more intuitive understanding of the underlying concept, you should consider following concept. First of all instead of thinking of voice coming from stored somewhere place, think of it voice being transmitted in the real time from a microphone to speaker. Microphone is essentially reverse speaker. Also consider following concepts. Sound waves are essentially pressure waves. Back and forth motion of particles. Nothing more. Sound is produced when something vibrate. It can be your vocal cord, a metal string on guitar or piece of cardboard in this case. Vibration is essentially quick.. very very quick back and forth motion. Essentially you need in depth understanding of pressure waves and why and how they move through solid, water and air mediums.
hello i tried to build this speaker but it doesn't work. I connect 2 smaller magnet 7mm diameter* 7mm high. I did 50 tight neat coils around the magnets. i connet the wires to a old headphone wire and then inserted in my old ipod. What could be my mistake? thanks in advance for your replies
Hi - if you are a K-12 student doing a science project, you can ask for help in our Ask an Expert forums which are staffed by volunteers: www.sciencebuddies.org/science-fair-projects/ask-an-expert-intro. Unfortunately we are a small organization and don't have the capacity to help troubleshoot over RUclips comments.
Hi - yes, bigger neodymium magnets are stronger and can make the speaker louder. However, our paper speaker template is designed to work with a half-inch magnet, so you would need to make your own template. You also need to be careful because large neodymium magnets are VERY strong.
We recommend neodymium magnets and have not tested weaker magnets. You can try this project with a regular magnet but the speaker will be very quiet if it works at all. You might be able to hear it if you hold your ear directly up to it, or if you plug the wires into an audio amplifier instead of connecting directly to a phone/laptop.
Hello, I was wondering what to do if my headphone cable doesn't have 3 wires, mine has like 4 wires of 3 colors and one copper, in this case which should I connect?
If your headset also has a microphone, one of those wires is probably for the microphone. You can just do trial and error to find out which wire works with the speaker.
Hi - yes, you can stack together smaller magnets. Just be very careful because neodymium magnets are brittle and can break if you let them snap together too hard.
I broke a small speaker which consisted of only copper wire and magnet and plastic , took the coil and pasted on top of a copper tape , still no sound !
I used this for my school project.. Thanks alot.
I swear if all kids got to do this sort of thing in science class I can't even imagine how many more people would be stoked on science
Great video thank you so much for making these!! you defiantly deserve like 100x more subscribers!
Great vid, great work. As you go along..dab a touch of super glue or hot glue as you go along and then continue...it won't fall apart at the end so much. Templates are very good. Another idea is using the conical style old coffee filters...just cut a small amont at the pointy end to match the diameter of the coil set up. Works OK. I up for any designs. I have more fun than the grandies do, and they love making things.
yeahh😂😂
Could I use some cheap earbuds for the speaker wire? As in, could I cut off the ear-part and strip those ends and then use the audio plug as it came on the earbuds?
Yes, that should work!
The only thing I know about speakers is they absolutely must be in a rigid enclosure if you want to hear the lower frequencies. A speaker, suspended in midair, projects sound forward [obviously] plus it projects the same frequencies rearwards, but perfectly out of phase. Maybe you could see if that experiment works; a side-by-side comparison between your speaker and your speaker in a small, rigid wood, sealed box - or maybe just a big soap bowl.
Also always measure the coil impedance like 8 ohms or 4 ohms, if it is below 4 ohms it will damage your amplifier coz that's a lot of load for them
Always check the amplifier minimum and maximum impedance so it won't damage them
Wonderful Job
In cases where one can't get the paper template speaker, can ordinary card board paper be used in place of the paper template?
Corrugated cardboard may be too thick to work well for this project because it is hard to fold and crease it. Cardstock or manila envelopes will work best, but you can also use regular printer paper if needed.
That's it- I'm making a cardboard boombox with two of these speakers just to mess with people.
"Hey, uh... what's that?"
O, that's my boombox.
"It's... cardboard."
Yep.
"..."
What, you don't believe me? Go on, plug it into your phone and play something.
**connects it**
**music actually sounds from the goofy speakers**
"I... what?! How-"
Shhh... just listen to the music.
... the sound of success.
Not sure if this will be answered or how to really go about asking this question but how is it that the copper wires carry the data of the sound being produced? I understand that copper wires conduct electricity and you're having positive and negatively charged molecules go back and forth within the wire but how do the wires carry the sound when all that's happening is that presumably there is an electric charge being sent through the wires which cause the copper wires to emit an EMF(electro-magnetic field) and that EMF is interacting with the neodynium magnet's EMF? I assume because the speaker is vibrating that you're having an extremely minor variance in Amps(maybe voltage too but maybe not) thats causing the vibration but how does that produce the exact sounds of whatever audio i decide to put on?
I guess what im asking is, how is the actual sound traveling through the copper wires to get to the paper that amplifies the sound?
Hi - this is a bit more physics than we can explain in detail in a RUclips comment, but the short story is that the sound exists as a digital file on your computer (a bunch of 1's and 0's). That file is converted to an an "analog" (or continuously variable) voltage when you play it on headphones or speakers. Bigger voltage = louder sound. Higher-frequency changes in voltage = higher-pitched sound. That changing electrical signal (which can vary in both magnitude and frequency) travels through the wires and generates a magnetic field in the coil. Since the electrical signal is changing, the magnetic field also changes, again corresponding to the volume/frequency of the original sound. The result is that the speaker cone vibrates more for louder sounds, and faster for higher-pitched sounds, reproducing the sound that was originally recorded.
@@Science.Buddies Thank you so much for answering this! I'll be sure to look into it more. Its a question that's been on my mind more and more as I learn more about how electricity and electronics in general work. Thank you!
Although the OP explained it rightfully but if you wish for more intuitive understanding of the underlying concept, you should consider following concept.
First of all instead of thinking of voice coming from stored somewhere place, think of it voice being transmitted in the real time from a microphone to speaker.
Microphone is essentially reverse speaker.
Also consider following concepts.
Sound waves are essentially pressure waves. Back and forth motion of particles. Nothing more.
Sound is produced when something vibrate. It can be your vocal cord, a metal string on guitar or piece of cardboard in this case.
Vibration is essentially quick.. very very quick back and forth motion.
Essentially you need in depth understanding of pressure waves and why and how they move through solid, water and air mediums.
Hi, can we use a 12 mm x 10 mm neodymium magnet size for this experiment?
or a smaller one like 10 mm x 10 mm?
Hi - yes, the exact magnet size is not critical.
Hey, can u use A2 or A3 paper
Amazing.
hello i tried to build this speaker but it doesn't work.
I connect 2 smaller magnet 7mm diameter* 7mm high.
I did 50 tight neat coils around the magnets.
i connet the wires to a old headphone wire and then inserted in my old ipod.
What could be my mistake?
thanks in advance for your replies
Hi - if you are a K-12 student doing a science project, you can ask for help in our Ask an Expert forums which are staffed by volunteers: www.sciencebuddies.org/science-fair-projects/ask-an-expert-intro. Unfortunately we are a small organization and don't have the capacity to help troubleshoot over RUclips comments.
this was useful thanks
Question ❓ does a like example a 1 inch or bigger neodymium magnet make the homemade speaker a little louder I wasn't sure cuz a friend said it does?
Hi - yes, bigger neodymium magnets are stronger and can make the speaker louder. However, our paper speaker template is designed to work with a half-inch magnet, so you would need to make your own template. You also need to be careful because large neodymium magnets are VERY strong.
Does it have to be a neodymium magnet?
We recommend neodymium magnets and have not tested weaker magnets. You can try this project with a regular magnet but the speaker will be very quiet if it works at all. You might be able to hear it if you hold your ear directly up to it, or if you plug the wires into an audio amplifier instead of connecting directly to a phone/laptop.
Can I use usb-c instead of Jack?
This project won't work with a USB cable.
Hello, I was wondering what to do if my headphone cable doesn't have 3 wires, mine has like 4 wires of 3 colors and one copper, in this case which should I connect?
If your headset also has a microphone, one of those wires is probably for the microphone. You can just do trial and error to find out which wire works with the speaker.
Would I be able to stack 4 12mm x 3mm magnets together?
Hi - yes, you can stack together smaller magnets. Just be very careful because neodymium magnets are brittle and can break if you let them snap together too hard.
@@Science.Buddies Ok thanks
I broke a small speaker which consisted of only copper wire and magnet and plastic , took the coil and pasted on top of a copper tape , still no sound !
can you give me a blue paper soft file for me to print?
You can download the template from step 1 in the procedure here: www.sciencebuddies.org/stem-activities/make-a-paper-speaker#instructions
Where to find all these materials
Please see the link in the video description!
Where to get the speaker template?
Please see the link to our website in the video description!
I am indian and the audio cable has different coloured wires , so which one is the ground wire?
Also I can't see vibrations happening when u play something of 2 hz
We can't say for sure but the ground wire is usually the bare/uninsulated wire.
does this actually play music when i plug to my computer
Yes, this speaker will actually work!
Same
which other magnet can be used apart from neodymium magnet?
Other magnets are much weaker, we recommend neodymium magnets for this project.
@@Science.Buddies Good thing I have some! Is it okay if they’re smaller than what you used?
Hi please type the things that we need .
Please see the video description for more information.
But that still doesn't tell us the name of the things needed😭
yes
tanks man vid good
It would work better with amplifier
anyone actually Make this speaker? I'm gonna try but I'm still not sure if it's work
😴 dang
yep
I am Indian good project ☺️
I am not buy the kit because money problems. You can give me the kit free please 🙏🏻🙏🏻
i love you❤❤
i'm sorry 😢😢
What for?