I stumbled acrossed one of your videos the other day, and can't stop watching them. I loved science as a kid, but my high school teachers sucked the fun out of it with not wanting to help explain anything and just moving on. I love how you actually want to teach how these things are done, and explain everything in detail. It makes it so easy to understand. Keep doing everything you are doing, you're amazing.
Love it! I'm working on a golf-ball version and the wave so far is not quite what it should be. Now I can at least check the pendulum lengths with a formula. I really like the use of hex nuts for weights. Their open shape gives the wave an even better visual effect, plus the whole structure will be a lot lighter and portable
Really love the pendulum. I agree it might be a little hard to figure the numbers if you're very young but there are some young children that are gifted that could take this steps further. Have you thought about making it a continuous swinging pendulum by adding an electromagnet system to fluctuate during it swaying back and forth? That would be a great project.
If you use the metric system as often as you can, you'll quickly become bilingual, and can flip between systems intuitively. Thanks for such a good explanation. Your students are very lucky, and have a good chance of becoming scientists. Inspired by you!
I did not know that this would involve quite a lot of math. That's really interesting. If you ever revisit this project, it would be cool to see a synopsis of how this equation is derived.
Finally could derive it by myself. It reveals that your K equals the number of periods performed by the longest pendula decreased by two units. The part in between the round brackets in the denominator of the formula could therefore also have been: N1 + n - 1 where N1 is the number of periods performed by the longest pendula.
Despite all the negative comments, I thought it was a verry cool interesting video to watch like all of yours and I loved it . Keep doing what you love man ! I hope you might get to read my comment :)
A good alternative to the bolts is to go to a fishing tackle shop and buy some spherical lead weights which also have a nice little loop for attachment. Not as good as steel balls but a lot easier to deal with
I'm only 12... I take Algebra 1 Honors and Physical Science honors, so this came pretty easy to me. This is going to be my weekend project. Thank you for making this video! Update: I finished making the pendulum wave in 3 hours. It's decent... I plan on rebuilding it later. Second update: I actually rebuilt it like 4 months ago, since my science teacher wanted one for the school so and someone sat on the old one
I had a brilliant idea to make this into an interesting art piece! I only end up making a small percentage of my "brilliant" ideas... so if someone beats me to it, no big deal... here it is: Instead of a regular pendulum on a string... it would be a rigid cross shape with a bearing in the center, where it is threaded on to the horizontal rod it swings on. There will be a ball or other interesting shape on the end of each cross segment, but only the ones facing the earth will be a heavy material... the others will be hollow or foam. So just like the pendulum demonstration each of the crosses is a little bit smaller than the next... they are still pendulums, they just have more stuff attached to look at and magnify the visual patterns... it will basically create 3 duplicate sets of objects moving in the air, the way these pendulums oriented towards the ground are. When I first thought of this, I thought it was amazing, then I thought maybe it's not... now I'm not sure... it's kinda cool. Right? What do you think?
@@Nighthawkinlight As long as your arm shape is symmetrical, I think it would work... it would slow it down of course, because of the added friction and wind resistance... so you would not get as many swings out of it, but greased bearing should help. It is, obviously more complicated, but that's the point! XD
With little bit of effort, 100 fold wave pendulum can be made in Blender 2.81. Thank you for explaining the math. I did one wave pendulum with just 8 segments, but all linear, so "close but no cigar". :D
Just wondering (although I'm sure trial and error will tell me as well), when calculating the pendulum length(s) do the calculated length(s) include whatever is used as the mass, or is the length just from attachment (pivot) point on the cross piece to where it attaches To the mass? If I'm assuming correctly, it won't make a noticeable difference, as long as it is done consistently
Thank you for the beautiful demonstration and for providing great instructions including the formula for determining cord lengths. I saw another video with each pendulum being one of six colours in sequence (red, orange, yellow, green, blue, purple), and it looked really cool. I'm wondering if there's a reason six colours worked so well, or if any number of colours would produce as stunning patterns. Maybe I should test it out...
I'd love to see you do another bismuth levitator except do it with lifting magnet horizontal instead of vertical. I saw one but I think you can do better
Very cool project, thanks! I agree, I'd definitely prefer to use metric measurements but Lowe's n Home Depot don't sell 250cm planks (but they should)!
Thank you so much for your excellent video. I am currently working on a 4'3x5' pendulum wave, and I certainly could not have tackled the math without your help.
Thank u pal I was searching for this kind of project for my exhibition and u helped No i have made it and waiting for the exhibition that is on 23rd of november
NightHawkInLight well I'm happy your taking the time to make the highest quality videos. Personally I think its better to have to wait a long time for a good memorable video than keep watching a bunch of short lame ones. But I get it if someday you decide to shorten the vids and put them out more frequently though, if it makes you more money and your still having fun doing it.
Here's a quick "k" formula if you want to explore more deeply this intriguing world of pendulums: With your permission, Professor, of course ... If "g" = 9.8m/s/s, then: k = 0.498 T / (L)^1/2 - 2 So, you can pick whatever T-max you wish and whatever length, and go straight away. By the way, if you pick "n" = 0 and then continue with negative "n" values, you can go backwards just the same: Try it! :D
I'd like to see a powered pendulum. ie perpetual pendulum. Maybe using a baby rocker or something if that would even work. Come on Hawk, make it powered!
It has no sense to provide material sizes in metric, as regular material sizes are totally different in Europe, so we need to find a substitution any way.
You don't go through the mathematical steps (or strategy) to find K. Since finding K is absolutely needed to apply this concept, it seems like it would be important to mention that instead of "simple algebra". A basic refresh on quadratic equations shows that solving for K in this case is not "simple". Calling it simple algebra is condescending. I would say that has an discouraging effect as a person could come away thinking "wow, I don't even know 'simple algebra, this must ALL be over my head".
Always remember Jesus never fails, no matter how many times it feels like he has just know that He always has your back. When you feel overwhelmed, like the pressure is too much, it's because you are stronger than you think. You haven't discovered all that's in you. You'll never how strong you really are, until you face pressure that you've never faced. It may seem unbearable, but the fact that God allowed it means that you can handle it. Pray this prayer from the bottom of your heart out loud to be saved Dear Lord Jesus, I know that I am a sinner, and I ask for Your forgiveness. I believe You died for my sins and rose from the dead. I turn from my sins and invite You to come into my heart and life. I repent of my sins. I will worship you all the days of my life.I want to trust and follow You as my Lord and Savior.I receive it and Believe it in Jesus Powerful Name, AMEN❗️
Always remember Jesus never fails, no matter how many times it feels like he has just know that He always has your back. When you feel overwhelmed, like the pressure is too much, it's because you are stronger than you think. You haven't discovered all that's in you. You'll never how strong you really are, until you face pressure that you've never faced. It may seem unbearable, but the fact that God allowed it means that you can handle it. Pray this prayer from the bottom of your heart out loud to be saved Dear Lord Jesus, I know that I am a sinner, and I ask for Your forgiveness. I believe You died for my sins and rose from the dead. I turn from my sins and invite You to come into my heart and life. I repent of my sins. I will worship you all the days of my life.I want to trust and follow You as my Lord and Savior.I receive it and Believe it in Jesus Powerful Name, AMEN❗️
I also made same model by seeing this video. I got first prize in my science fair.
Bro help me to do this
I stumbled acrossed one of your videos the other day, and can't stop watching them. I loved science as a kid, but my high school teachers sucked the fun out of it with not wanting to help explain anything and just moving on. I love how you actually want to teach how these things are done, and explain everything in detail. It makes it so easy to understand. Keep doing everything you are doing, you're amazing.
My wife and I enjoyed this video
We've found sir King Random.
Grant Thompson - "The King of Random" are you going to do something like this on you're Channel???
Grant... Learn from this guy... No CLICKBAIT thumbnails.
Nick Ross Grants videos thumbnails all are from the actual video, with a little editing to make his videos more click able.
ITS THE KING!!!
I enjoyed it! Great video, always an inspiration :)
Natural Nerd , yes
Love it! I'm working on a golf-ball version and the wave so far is not quite what it should be. Now I can at least check the pendulum lengths with a formula. I really like the use of hex nuts for weights. Their open shape gives the wave an even better visual effect, plus the whole structure will be a lot lighter and portable
So how long is 0.23m? Any one know how to speak English.
Thank you for the great explanation! I've wanted to make one of these for a while now.
these large nuts
Got em!!
I was looking for this +1
I got deez nuts in the mail yesterday
IKR 3:35 he's holding his two large nuts, and talks about them.
haha
It's beautiful 😍
Keystone Science ay keystone science!
The Real Damon Jackson NightHawkInLight brought hiself Grand Thomson and Keystone Science together! Nice work NightHawkInLight!!😂😂
Keystone Science love your vids
Keystone Science if you ever get some time could I teach you how to mig weld?
Keystone Science you are beautiful grgnom
Really love the pendulum. I agree it might be a little hard to figure the numbers if you're very young but there are some young children that are gifted that could take this steps further. Have you thought about making it a continuous swinging pendulum by adding an electromagnet system to fluctuate during it swaying back and forth? That would be a great project.
If you use the metric system as often as you can, you'll quickly become bilingual, and can flip between systems intuitively.
Thanks for such a good explanation. Your students are very lucky, and have a good chance of becoming scientists.
Inspired by you!
I did not know that this would involve quite a lot of math. That's really interesting. If you ever revisit this project, it would be cool to see a synopsis of how this equation is derived.
+1 for demonstrating in VERY easy to understand & with most accurate measurements.. :)
Malayali.?
Finally could derive it by myself. It reveals that your K equals the number of periods performed by the longest pendula decreased by two units. The part in between the round brackets in the denominator of the formula could therefore also have been: N1 + n - 1 where N1 is the number of periods performed by the longest pendula.
You uploaded tour video right before Cody's lab did!!😂😂
George Vavouras ,what?
Despite all the negative comments, I thought it was a verry cool interesting video to watch like all of yours and I loved it . Keep doing what you love man ! I hope you might get to read my comment :)
Excellent, clear presentation. Educational and entertaining. Thanks for a great job.
I did it for my class... It was a great. The children love it. Thanks for the idea ;=)
he had this idea before CRH mades his video is takes days to make and upload it
Who is CRH?
Crazy Russian Hacker (?)
Yes Crazy Russian Hacker
Add a mobile phone vibrator to the top of board with a rheostat to change the frequency it makes it more interesting.
Cool, I have never seen the math behind these pendulums before. I would have thought that it was linear!
Nick Moore , yes
A good alternative to the bolts is to go to a fishing tackle shop and buy some spherical lead weights which also have a nice little loop for attachment. Not as good as steel balls but a lot easier to deal with
That is so cool and I loved the way that you explained the equation, it looked difficult until you fleshed it out.
I wouldn't underestimate those kids ability to make this.
the math is the problem
though, i'm sure a good number of kids could probably do it.
I'm only 12... I take Algebra 1 Honors and Physical Science honors, so this came pretty easy to me. This is going to be my weekend project. Thank you for making this video!
Update: I finished making the pendulum wave in 3 hours. It's decent... I plan on rebuilding it later.
Second update: I actually rebuilt it like 4 months ago, since my science teacher wanted one for the school so and someone sat on the old one
@@Seedx hehe thanks for the motivation!
@@Seedx hey,I'm gonna make this for my Physiscs project!
Did you have to make any written report or a document about this project as well?
Nice i like it now my nephew is thanking me for finding this project
I had a brilliant idea to make this into an interesting art piece! I only end up making a small percentage of my "brilliant" ideas... so if someone beats me to it, no big deal... here it is: Instead of a regular pendulum on a string... it would be a rigid cross shape with a bearing in the center, where it is threaded on to the horizontal rod it swings on. There will be a ball or other interesting shape on the end of each cross segment, but only the ones facing the earth will be a heavy material... the others will be hollow or foam. So just like the pendulum demonstration each of the crosses is a little bit smaller than the next... they are still pendulums, they just have more stuff attached to look at and magnify the visual patterns... it will basically create 3 duplicate sets of objects moving in the air, the way these pendulums oriented towards the ground are. When I first thought of this, I thought it was amazing, then I thought maybe it's not... now I'm not sure... it's kinda cool. Right? What do you think?
Some people have done bowling balls. You have to find the center of mass of your pendulums so it would be complicated to use steel rods.
@@Nighthawkinlight As long as your arm shape is symmetrical, I think it would work... it would slow it down of course, because of the added friction and wind resistance... so you would not get as many swings out of it, but greased bearing should help. It is, obviously more complicated, but that's the point! XD
You lost me at "simple algebra"
My math says: K=(Tmax/(sqrt(L/g)*2*pi))-2. I hope it is right because i´m going to build that.
Jay Mercy22 if n = -2, this is a linear equation
😅
Thank you for providing clear directions on making this apparatus. I am hoping to make it for my physics classroom!
I will have a new video on this out soon with a bigger version
With little bit of effort, 100 fold wave pendulum can be made in Blender 2.81. Thank you for explaining the math. I did one wave pendulum with just 8 segments, but all linear, so "close but no cigar". :D
I've been wanting to make one of these but could never find the math equation. Thank you for the video, and the explanation.
Awesome. I'll show it to my 4th & 5th grade students when we study Wave Properties. Thanks!.
You rock thank you for the formula and a great explanation of it!
This will surely help me in my science exhibition
Excellent video. Keep it up!
Fantastic video, incredibly descriptive, I love these types of projects
the strings are measured from the corner of the board to where? The bottom of nut or top of the nut? I would like to try and build one
The center of mass, so half way down the nut
It's beautiful and understood quite well.Thank you sir.😊
Great video
Thank you...
One question though...
If I want to do it double the size...all I need to do is double the 16 measurements... Right?
No, you need to calculate new lengths
You are very helpful
It's beautiful. Thank for sharing how to make it.
Very good one 👌👌👌 new follower just subscribed your channel.....
Cool pendulum wave. Nice build, explanation, and thanks for the math formula behind it. Always look forward to seeing your videos!
You enjoyed the math? So your not English,?
Science! Great project and excellent demonstration but I doubt most kids these days have the nuts for such a job.
Really enjoyed your video. Want some thoughts on making this one at home.
Amazing creation
Just wondering (although I'm sure trial and error will tell me as well), when calculating the pendulum length(s) do the calculated length(s) include whatever is used as the mass, or is the length just from attachment (pivot) point on the cross piece to where it attaches To the mass? If I'm assuming correctly, it won't make a noticeable difference, as long as it is done consistently
Thank you for the beautiful demonstration and for providing great instructions including the formula for determining cord lengths.
I saw another video with each pendulum being one of six colours in sequence (red, orange, yellow, green, blue, purple), and it looked really cool. I'm wondering if there's a reason six colours worked so well, or if any number of colours would produce as stunning patterns. Maybe I should test it out...
I'd love to see you do another bismuth levitator except do it with lifting magnet horizontal instead of vertical. I saw one but I think you can do better
Do you have a link? That sounds tricky
Got to build one nice job
Fantastic and is very well explained
I appreciate a brilliant mind. I will be attempting to build this myself. I hope I get to send messages for help lol.
Wonderful demo, my son would like to make a similar model for an exhibition. Thank you!
Thanks for the video Good project it helped me its very easy
i have a question. for the strings, is it okay if it's not a kite string but like a thick thread instead?
Yes. Try to find thread that does not stretch very much.
I enjoyed it!
HOLY SHIT! I thought that pendulum was huge and on a floor in the background before you touched it
I was looking for a coupled pendulum video but I got your video instead.And it's worth watching!Thank you sir for making this video.
Can you put small drums at the place where the they stop on each side of the pendulum's path
Great video as usual, glad to see your still climbing in subs after the 1mil.
wow amazing. first time I see that it's surprised me. good job, keep it up bro.
How does it look like when you position the weights in a linear slope ?
You still get a snake looking pattern at first and then it just turns into a mess of random looking movement.
Congratulations from Spain, friend.
Very cool project, thanks! I agree, I'd definitely prefer to use metric measurements but Lowe's n Home Depot don't sell 250cm planks (but they should)!
This is srsly cool as heck! Might do my own one during the summer break! ^^ (Yet a prettier version than this haha ;P )
I did it works!!!!!! My students and I express our sincere thanks, super cool activity.
do you push the nodes with an angle on the wood or straight
It doesn't matter, but I usually push them on an angle.
Very cool, very thorough. I'm considering doing something like this using LEDs for an electronics project.
Thank you so much for your excellent video. I am currently working on a 4'3x5' pendulum wave, and I certainly could not have tackled the math without your help.
Thank u pal
I was searching for this kind of project for my exhibition and u helped
No i have made it and waiting for the exhibition that is on 23rd of november
Im doing this for my science expo. and its on Thursday. Hoping our project would be selected
Thanks, I love this.
Saved my ass for last minute physics project lol
Did you use metric nuts?
can you make a double pendulum?
I just made this for my 9 year old son's STEM fair! Thanks!
It'd be interesting to see something similar with a isocrone guide rail, making each pendulum pass the center at the same time.
Great project! Did any kind of wave pattern occur when you first put the nuts in a linear slant?
I'm sure the kids will like all that math
How is your subscriber and view count so much lower than other diy science channels (Grant Thompson) when your videos seem so much better?
UA-cam wants channels to post daily to do well. I can only make a video every two weeks or so.
NightHawkInLight well I'm happy your taking the time to make the highest quality videos. Personally I think its better to have to wait a long time for a good memorable video than keep watching a bunch of short lame ones. But I get it if someday you decide to shorten the vids and put them out more frequently though, if it makes you more money and your still having fun doing it.
gue kim couldn't agree more well said
Here's a quick "k" formula if you want to explore more deeply this intriguing world of pendulums: With your permission, Professor, of course ...
If "g" = 9.8m/s/s, then: k = 0.498 T / (L)^1/2 - 2
So, you can pick whatever T-max you wish and whatever length, and go straight away.
By the way, if you pick "n" = 0 and then continue with negative "n" values, you can go backwards just the same: Try it! :D
And I saw u in discovery Channel. In you have been warned programme.
I love this project. It is gorgeous and you broke down the steps in to something most people should be able to accomplish
my question is how physics argument can explain this moment.
could u please say to me how many centimeters this woods ?
I'd like to see a powered pendulum. ie perpetual pendulum. Maybe using a baby rocker or something if that would even work. Come on Hawk, make it powered!
What type of material this STRING is of and where it would be available?
Polyester kite string
oh the beauty of resonance 😍
Very very good
Excellent 🎉👌🏻👌🏻👌🏻👌🏻👏🏻👏🏻👏🏻👏🏻👏🏻👏🏻👏🏻👏🏻
Can I ask what is the distance on each push pin?
1 inch or so. That measurement does not matter except to keep the strings from tangling
So basically if a person sucks at algebra, they can't build one...
It has no sense to provide material sizes in metric, as regular material sizes are totally different in Europe, so we need to find a substitution any way.
Awesome man
What type of string is used for the pendulum?
I used kite string
Nice idea
great video
The length of each pendulum is up the thread only or upto the end of each bolt pls reply
Middle of each nut
@@Nighthawkinlight is the kite string u used in the video made of plastic
that thing is nuts!
You don't go through the mathematical steps (or strategy) to find K. Since finding K is absolutely needed to apply this concept, it seems like it would be important to mention that instead of "simple algebra". A basic refresh on quadratic equations shows that solving for K in this case is not "simple". Calling it simple algebra is condescending. I would say that has an discouraging effect as a person could come away thinking "wow, I don't even know 'simple algebra, this must ALL be over my head".
Always remember Jesus never fails, no matter how many times it feels like he has just know that He always has your back.
When you feel overwhelmed, like the pressure is too
much, it's because you are stronger than you think.
You haven't discovered all that's in you. You'll never
how strong you really are, until you face pressure
that you've never faced. It may seem unbearable, but
the fact that God allowed it means that you can
handle it.
Pray this prayer from the bottom of your heart out loud to be saved
Dear Lord Jesus, I know that I am a sinner, and I ask for Your forgiveness. I believe You died for my sins and rose from the dead. I turn from my sins and invite You to come into my heart and life. I repent of my sins. I will worship you all the days of my life.I want to trust and follow You as my Lord and Savior.I receive it and Believe it in
Jesus Powerful Name, AMEN❗️
Always remember Jesus never fails, no matter how many times it feels like he has just know that He always has your back.
When you feel overwhelmed, like the pressure is too
much, it's because you are stronger than you think.
You haven't discovered all that's in you. You'll never
how strong you really are, until you face pressure
that you've never faced. It may seem unbearable, but
the fact that God allowed it means that you can
handle it.
Pray this prayer from the bottom of your heart out loud to be saved
Dear Lord Jesus, I know that I am a sinner, and I ask for Your forgiveness. I believe You died for my sins and rose from the dead. I turn from my sins and invite You to come into my heart and life. I repent of my sins. I will worship you all the days of my life.I want to trust and follow You as my Lord and Savior.I receive it and Believe it in
Jesus Powerful Name, AMEN❗️