Spin a rope around your head. The end of the rope goes much faster than the part you are holding, yet the rope is connected and doesn’t fall apart. Therefore, things that are connected can travel at different velocities and remain connected. There’s nothing mysterious here.
I had more fun with my mother’s Zenith Cobra. It held ten records and could play at any speed up to 100 RPM by adjusting a sliding scale with 16, 33, 45, and 78 marked on it. It had vacuum tubes, bought in 1948 for $100, and this was 1962.
I remember in marching band forming a rotating wheel. The kids in the hub barely moved while those of us on the outside had to practically run. Try doing that with a sousaphone!
Another fun fact: A DVD has more bits on the outside tracks than the inside ones. So the player needs to adjust the rotation speed to adjust for where the laser is.
While not the same thing, this fact comes to mind: the planets have SLOWER orbital speeds the further they are from the sun. But a line between any planet and the sun sweeps out an equal area, during a given time interval, compared to any other planet in the solar system. (Kepler’s 2nd law of planetary motion.)
Sad, if the child’s mind can’t work up any interest in that. Hopefully in ten years or so. Like when my dad tried to introduce me to jazz when I was maybe five. It was too early and I was too immature, just a glorified pre-schooler. Ehh…around ten years later when I got my first CD player and started rummaging through the CD bins at the library, the first bin I went to was jazz.
See, I’m not a math person but that makes perfect sense to me. It’s like if two cars are racing around the same circle track, one on the far inside and one on the far outside,. Obviously the car on the outside needs to go much faster to get around the circle at the same time as the car on the inner track. Right? Or is there more to it?
Maybe Cal wouldn’t have been as freaked out if Dad showed him how to experiment with the concept. Put some light object on the turntable very close to the center so that, as it spins, the object stays put. But when moved farther and farther out, it begins to move. And by the time it gets to the very outer edge, it gets flung off…
And maybe that’s why Calvin switched from records to cassettes. (Given the Dad was not a fan of then-current technologies, they likely never had a CD player.)
I had to go WAAAAY back to figure out what he was talking about and came to the conclusion it does not matter at all!!! I don’t need or want to know all that “stuff”.
He should have told Calvin that when they are riding in the car, the spot on the surface of the tire where the tire contacts the road as it rotates around the axle has a forward speed of zero MPH despite the fact that the car is moving forward at whatever speed they are driving.
The outer point is like adults, seeing much higher distance as compered to the kids which see the minimum distance but both moving at same angular speed. I guess life goes that way.
Ive commented to this subject before in more than one site and meeting of minds. The mathematical theorymn makes me crazy, too, until I just say “O well, I’m confused, here, so guess I’ll just listen to the music play….”
To us adults, and perhaps to a child past fifth grade or at least in Middle School: dad’s referring to what the teacher was talking about in Physics class. To a six year old First Grade Student, and particularly in Kalvin’s case: Did Dad just mention a revolution! (please add as backdrop music Revolution by The Beatles).
And the same thing applies to us! Someone standing at the Equator travels further than someone further north (or south) to complete the same 24 hour rotation.
Back around the turn of the century, we were visiting friends when their teenage son showed up with a friend carrying an old portable record player and a couple of LPs that they’d found at a second-hand shop. They were fascinated. We could hear them playing the records at different speeds and basically doing all the things we had done as little kids with phonographs.
I really feel sorry for the kids I teach these days. They grew up in a magical world, and most of them don’t have the faintest idea how any of it works. When we build some gadget and one of them wants to take it to the next level, I know there is some hope for that kid. Sadly, the majority seem content to live in ignorant bliss concerning the workings of their magical world. Sometimes the phrase “twilight of the gods” comes to mind…
Ever sit on one of those spinning platters at the Fun House? You learn about relative velocities real fast when you’re flung off at the speed of sound.
It’s called surface speed. In the US it’s measured in surface feet per minute or sfm most of the rest of the world surface meters per minute or smm. Highly important in the metal cutting industry.
codycab 6 months ago
And so we ponder what exactly Dad taught us all.
dadthedawg Premium Member 6 months ago
Dad, you’ve got me confused…..
Sugar Bombs 95 6 months ago
And that’s why Dad always makes up fake answers.
salakfarm Premium Member 6 months ago
I’d hate to see a grown-up Calvin after the way he was raised.
The Calvinosaurus That Calvin Wanted To Discover 6 months ago
Staying awake all night trying to comprehend a tough math problem builds character.
Robert4170 6 months ago
Calvin’s dad would elicit a “yeah, and?” response from me. The radial velocity is the same.
Concretionist 6 months ago
A clear indication of the age of the comic. Like, “Umm… what’s THAT thing going around and around??”
Imagine 6 months ago
And that is why we weigh approx. 0.5% more at the poles than at the equator.
ʲᔆ 6 months ago
groovy
c001 6 months ago
“…so the music gets faster and faster with time.”
snsurone76 6 months ago
Surprising that Calvin didn’t fall asleep from Dad’s empty bathering!
Snoopy_Fan 6 months ago
Okay, that’s gonna keep me up tonight.
californiamonty 6 months ago
Wait until you learn about Relativity, Calvin. You’ll look back on this moment fondly.
BigDaveGlass 6 months ago
He went on record to say that……..
enigmamz 6 months ago
Angular speed can be hard to get your head around.
Ninette 6 months ago
Is there anything that revolves not like that?
walt.donovan 6 months ago
Spin a rope around your head. The end of the rope goes much faster than the part you are holding, yet the rope is connected and doesn’t fall apart. Therefore, things that are connected can travel at different velocities and remain connected. There’s nothing mysterious here.
Mediatech 6 months ago
Aristotle’s Wheel Paradox
ʲᔆ 6 months ago
any possibility that record was Turn, Turn, Turn by the Byrds?
mobeydick 6 months ago
OK, but …what’s a record?
VegaAlopex 6 months ago
I had more fun with my mother’s Zenith Cobra. It held ten records and could play at any speed up to 100 RPM by adjusting a sliding scale with 16, 33, 45, and 78 marked on it. It had vacuum tubes, bought in 1948 for $100, and this was 1962.
su43dipta 6 months ago
I’m pretty sure all of the “what’s that thing there” comments here are made by people who know very well what a record player is!!
cdward 6 months ago
I remember in marching band forming a rotating wheel. The kids in the hub barely moved while those of us on the outside had to practically run. Try doing that with a sousaphone!
Bilan 6 months ago
Another fun fact: A DVD has more bits on the outside tracks than the inside ones. So the player needs to adjust the rotation speed to adjust for where the laser is.
Walrus Gumbo Premium Member 6 months ago
You spin me right ‘round, baby, right round, like a record, baby, right ‘round, round, round – Dead or Alive
Purple People Eater 6 months ago
Judging by the last panel, that wasn’t interesting, it was mean.
Kimmies01 6 months ago
Poor Calvin…that is enough to keep any six year old awake.
A R V reader 6 months ago
Being nervous builds character.
steveh64 6 months ago
While not the same thing, this fact comes to mind: the planets have SLOWER orbital speeds the further they are from the sun. But a line between any planet and the sun sweeps out an equal area, during a given time interval, compared to any other planet in the solar system. (Kepler’s 2nd law of planetary motion.)
pixiekitten Premium Member 6 months ago
It’s still better than Hamster Huey, dad.
tpcox928 6 months ago
I remember this strip from years ago, did this to my kids.
The Wolf In Your Midst 6 months ago
The word “interesting” can cover so much ground….
SquidGamerGal 6 months ago
I think Calvin’s brain broke!
nancyb creator 6 months ago
My father explained that to me when I was Calvin’s age.
More Coffee Please! Premium Member 6 months ago
I’m with Calvin.
MS72 6 months ago
I suppose as the spin approaches the speed of light, the record disappears!
DawnQuinn1 6 months ago
Actually dad is right, but Calvin cannot ponder why. Strictly physics.
Ropey Wee Yoofo 6 months ago
Sad, if the child’s mind can’t work up any interest in that. Hopefully in ten years or so. Like when my dad tried to introduce me to jazz when I was maybe five. It was too early and I was too immature, just a glorified pre-schooler. Ehh…around ten years later when I got my first CD player and started rummaging through the CD bins at the library, the first bin I went to was jazz.
Niko S 6 months ago
Dad’s pretty smart. He even made Calvin zone out completely.
Crazy Comics 6 months ago
Their whole family is too smart! Calvin is six – yet is as smarter then probably past elementary and his dad just explained him….I don’t even know.
NELS BALWIT Premium Member 6 months ago
I wonder if the fidelity of the music degrades as the needle moves slower and slower as it moves inward?
Robert- 50d99b] 6 months ago
Still trying to figure out why my house has all Southern exposure.
TampaFanatic1 6 months ago
I am guessing that Calvin’s dad thought this tidbit of information could help Calvin “build character”.
Bruce1253 6 months ago
“She Blinded Me With Science. . .” – Thomas Dolby
Aaronious 6 months ago
This blew my mind too when I saw it demonstrated on a globe when I was Calvin’s age!!!
BilboDaddy 6 months ago
Math guy. Love it.
countoftowergrove 6 months ago
Be under no illusions: dads fouque with their kids!
John Leonard Premium Member 6 months ago
Dad, let me introduce you to a little thing called “angular velocity”.
BikerMan 6 months ago
Of course, Spaceman Spiff already knew that.
ilovecomics*infinity 6 months ago
See, I’m not a math person but that makes perfect sense to me. It’s like if two cars are racing around the same circle track, one on the far inside and one on the far outside,. Obviously the car on the outside needs to go much faster to get around the circle at the same time as the car on the inner track. Right? Or is there more to it?
ChessPirate 6 months ago
Maybe Cal wouldn’t have been as freaked out if Dad showed him how to experiment with the concept. Put some light object on the turntable very close to the center so that, as it spins, the object stays put. But when moved farther and farther out, it begins to move. And by the time it gets to the very outer edge, it gets flung off…
RobinHood 6 months ago
Somewhere else, Jason Foxtrot is doing the same thing, but to his father.
Ishka Bibel 6 months ago
And the Flat Earthers’ minds explode
ladykat 6 months ago
You’re giving your son nightmares.
yangeldf 6 months ago
that’s why it’s harder to spin a bigger wheel
Watchdog 6 months ago
Now I know why I failed Algebra but not Geometry
Calvins Brother 6 months ago
“But what does that have to do with the song I’m listening to?”
g04922 6 months ago
Physics will NOT be one of Calvin’s best subjects in High School…
wiley207 6 months ago
And maybe that’s why Calvin switched from records to cassettes. (Given the Dad was not a fan of then-current technologies, they likely never had a CD player.)
wndflower1 6 months ago
fathers teaching their son?? not today, that’s for sure!
stamps 6 months ago
Just wait until you have to take calculus, Calvin.
GKBOWOOD Premium Member 6 months ago
Reminds me of our solar system diagrams.
mistercatworks 6 months ago
“Now, imagine a record as large as The Milky Way Galaxy … "
kathleenhicks62 6 months ago
I had to go WAAAAY back to figure out what he was talking about and came to the conclusion it does not matter at all!!! I don’t need or want to know all that “stuff”.
WildsidePhoto Premium Member 6 months ago
He should have told Calvin that when they are riding in the car, the spot on the surface of the tire where the tire contacts the road as it rotates around the axle has a forward speed of zero MPH despite the fact that the car is moving forward at whatever speed they are driving.
mindjob 6 months ago
Ok, this didn’t inspire him. Better stick to horror films
yarnm57 6 months ago
When I was that age, I think I explained that to my dad.
tddrmchl 6 months ago
Same angular speed, different linear speed. The end!
smsrt 6 months ago
Ah! But then turn the record backwards and what does it say? “Turn me on deadman, turn me on deadman…” You want to see Calvin’s head spin?
hagarthehorrible 6 months ago
The outer point is like adults, seeing much higher distance as compered to the kids which see the minimum distance but both moving at same angular speed. I guess life goes that way.
markkahler52 6 months ago
Ive commented to this subject before in more than one site and meeting of minds. The mathematical theorymn makes me crazy, too, until I just say “O well, I’m confused, here, so guess I’ll just listen to the music play….”
markkahler52 6 months ago
So, Calvin; you’re confused. Just listen to the music play….
markkahler52 6 months ago
Roll away – the dew. The music never stopped!
Uncle $crooge 6 months ago
An ex-President will be along shortly to explain it so that even the dimmest bulb can understand it.
Doctor Go 6 months ago
Messin’ with the kids head using geography…
lnrokr55 6 months ago
Ain’t science grand ! ;-)
Strawberry King 6 months ago
If I ever understand this, I may never listen to another vinyl again.
kinich79 6 months ago
To us adults, and perhaps to a child past fifth grade or at least in Middle School: dad’s referring to what the teacher was talking about in Physics class. To a six year old First Grade Student, and particularly in Kalvin’s case: Did Dad just mention a revolution! (please add as backdrop music Revolution by The Beatles).
goboboyd 6 months ago
And it doesn’t affect the sound. Hmmm.
AndrewSihler 6 months ago
The concept of the radian might be helpful, here.
willie_mctell 6 months ago
Angular velocity and the other kind.
John Jorgensen 6 months ago
It is pretty astonishing.
SpammersAreScum 6 months ago
And the same thing applies to us! Someone standing at the Equator travels further than someone further north (or south) to complete the same 24 hour rotation.
eric.franz.petras 6 months ago
This has always been one of my favorite C&H cartoons.
daking27 6 months ago
This is why streaming services have replaced records and discs.
Bilan 6 months ago
If Dad told that to a robot on Star Trek, it would say “Norman, coordinate. All units relate.”
CleverHans Premium Member 6 months ago
Back around the turn of the century, we were visiting friends when their teenage son showed up with a friend carrying an old portable record player and a couple of LPs that they’d found at a second-hand shop. They were fascinated. We could hear them playing the records at different speeds and basically doing all the things we had done as little kids with phonographs.
I really feel sorry for the kids I teach these days. They grew up in a magical world, and most of them don’t have the faintest idea how any of it works. When we build some gadget and one of them wants to take it to the next level, I know there is some hope for that kid. Sadly, the majority seem content to live in ignorant bliss concerning the workings of their magical world. Sometimes the phrase “twilight of the gods” comes to mind…
Otis Rufus Driftwood 6 months ago
For once Dad tells Calvin something that isn’t ridiculous.
Ukko wilko 6 months ago
Ah yes, a “Jimmy cracked corn” moment.
The Old Wolf 6 months ago
Ever sit on one of those spinning platters at the Fun House? You learn about relative velocities real fast when you’re flung off at the speed of sound.
alkabelis Premium Member 6 months ago
It’s called surface speed. In the US it’s measured in surface feet per minute or sfm most of the rest of the world surface meters per minute or smm. Highly important in the metal cutting industry.
Hovernyan 2 months ago
I wonder if this is a meme