Michael Freeman
@afreeparticle.com
High School Physics Teacher. Desmos Fellow. He/him. #iTeachPhysics #EduSky
www.afreeparticle.com
www.afreeparticle.com
Pinned
Michael Freeman
@afreeparticle.com
· Nov 25
🍎 New folks to #ITeachPhysics: you may find these interactives and other resources useful!
Link: afreeparticle.com
Link: afreeparticle.com
November 24, 2025 at 8:56 PM
Reposted by Michael Freeman
A 6-year survey mapped the biggest structures in the universe. The results are beautiful...and, annoyingly, they fit nicely with the current model of cosmology.
We know there's something missing from that model, but figuring out *what* is not easy! 🧪🔭
news.uchicago.edu/story/scient...
We know there's something missing from that model, but figuring out *what* is not easy! 🧪🔭
news.uchicago.edu/story/scient...
November 23, 2025 at 3:18 PM
A 6-year survey mapped the biggest structures in the universe. The results are beautiful...and, annoyingly, they fit nicely with the current model of cosmology.
We know there's something missing from that model, but figuring out *what* is not easy! 🧪🔭
news.uchicago.edu/story/scient...
We know there's something missing from that model, but figuring out *what* is not easy! 🧪🔭
news.uchicago.edu/story/scient...
🎢 Found another relative motion illusion: @femaria on TikTok at nyc marathon
November 22, 2025 at 8:01 PM
🎢 Found another relative motion illusion: @femaria on TikTok at nyc marathon
Reposted by Michael Freeman
Are you fucking kidding me it’s like we are living in a cartoon
November 21, 2025 at 8:33 AM
Are you fucking kidding me it’s like we are living in a cartoon
Reposted by Michael Freeman
Maybe noise. Maybe music. www.desmos.com/3d/jhuvygmlvq
Bouncing Tone
www.desmos.com
November 18, 2025 at 2:45 AM
Maybe noise. Maybe music. www.desmos.com/3d/jhuvygmlvq
Reposted by Michael Freeman
Quick, quicker, less quick. Amandine Aftalion describes the trajectory of a 100m runner in this clip from her Oxford Mathematics Public Lecture.
Watch the full lecture here: youtu.be/UeGXwvXqUNA
Watch the full lecture here: youtu.be/UeGXwvXqUNA
October 22, 2025 at 3:28 PM
Quick, quicker, less quick. Amandine Aftalion describes the trajectory of a 100m runner in this clip from her Oxford Mathematics Public Lecture.
Watch the full lecture here: youtu.be/UeGXwvXqUNA
Watch the full lecture here: youtu.be/UeGXwvXqUNA
Fun visualization of a seismic response spectrum #iTeachPhysics
Espectros de Respuesta Sísmica
YouTube video by Simulitron Ingeniería de Simulación
youtu.be
November 21, 2025 at 10:49 PM
Fun visualization of a seismic response spectrum #iTeachPhysics
Reposted by Michael Freeman
For a little remix of @afreeparticle.com's "Rings of Fire", I 3D printed some magnetic hoops that students could stick to the lockers at any height and distance. For some classes, I gave groups a target time and some I gave a target horizontal distance.
November 20, 2025 at 12:02 AM
For a little remix of @afreeparticle.com's "Rings of Fire", I 3D printed some magnetic hoops that students could stick to the lockers at any height and distance. For some classes, I gave groups a target time and some I gave a target horizontal distance.
Reposted by Michael Freeman
Stripping insurance subsides from legal immigrants "could potentially trigger some local markets to go into death spirals,” experts warn. Yet there is little to no talk on Capitol Hill, even from Democrats, of reversing those cuts made this summer. www.politico.com/news/2025/11...
Legal immigrants face loss of Obamacare help, threatening insurance markets
The GOP megabill stripped subsidies from hundreds of thousands of green card holders and other legal migrants. Experts predict ripple effects for citizens.
www.politico.com
November 11, 2025 at 1:42 PM
Stripping insurance subsides from legal immigrants "could potentially trigger some local markets to go into death spirals,” experts warn. Yet there is little to no talk on Capitol Hill, even from Democrats, of reversing those cuts made this summer. www.politico.com/news/2025/11...
Reposted by Michael Freeman
November 6, 2025 at 5:03 PM
Reposted by Michael Freeman
In honor of the upcoming #WomenInPhysics Day, let's create a thread of amazing women physicists. I'll start with one my favorites, Chien-Shiung Wu, who is best known for conducting the Wu experiment, which proved that parity is not conserved. ⚛️ 🧪 👩🔬 🎢
November 4, 2025 at 10:54 PM
In honor of the upcoming #WomenInPhysics Day, let's create a thread of amazing women physicists. I'll start with one my favorites, Chien-Shiung Wu, who is best known for conducting the Wu experiment, which proved that parity is not conserved. ⚛️ 🧪 👩🔬 🎢
This year's edition of Rings of Fire!
Students are given initial height and velocity of the launched marble. Each group has to calculate the height of their ring at their assigned horizontal distance.
#EduSky #iTeachPhysics
Students are given initial height and velocity of the launched marble. Each group has to calculate the height of their ring at their assigned horizontal distance.
#EduSky #iTeachPhysics
November 3, 2025 at 11:00 PM
This year's edition of Rings of Fire!
Students are given initial height and velocity of the launched marble. Each group has to calculate the height of their ring at their assigned horizontal distance.
#EduSky #iTeachPhysics
Students are given initial height and velocity of the launched marble. Each group has to calculate the height of their ring at their assigned horizontal distance.
#EduSky #iTeachPhysics
Reposted by Michael Freeman
One of my favorite effects. They sense the environment with electricity and if both use the same frequency, signals collide. So they have to detune. But who goes up and who goes down on a matter of social dominance!! Oscillation as a social construct!!
Wow this is wild 🤯
🧪🎢⚛️🧬
🧪🎢⚛️🧬
Jamming avoidance response - Wikipedia
en.wikipedia.org
November 2, 2025 at 12:58 PM
One of my favorite effects. They sense the environment with electricity and if both use the same frequency, signals collide. So they have to detune. But who goes up and who goes down on a matter of social dominance!! Oscillation as a social construct!!
Wow this is wild 🤯
🧪🎢⚛️🧬
🧪🎢⚛️🧬
Jamming avoidance response - Wikipedia
en.wikipedia.org
November 2, 2025 at 12:04 AM
Wow this is wild 🤯
🧪🎢⚛️🧬
🧪🎢⚛️🧬
Reposted by Michael Freeman
Interesting question from 11yo Young Bill: what's the 'average' of a circle and a square? After a couple of questions, he clarified that he meant in terms of distance from their common centre, and he (quite impressively, imo) built the thing in Geogebra. I've […]
[Original post on mathstodon.xyz]
[Original post on mathstodon.xyz]
November 1, 2025 at 7:23 PM
Interesting question from 11yo Young Bill: what's the 'average' of a circle and a square? After a couple of questions, he clarified that he meant in terms of distance from their common centre, and he (quite impressively, imo) built the thing in Geogebra. I've […]
[Original post on mathstodon.xyz]
[Original post on mathstodon.xyz]
Reposted by Michael Freeman
My son sent this to me: How to play the Severnce theme song in Desmos. www.youtube.com/watch?v=qdzH...
The Severance Theme... but it's Desmos
YouTube video by Marc Evanstein / music․py
www.youtube.com
November 1, 2025 at 8:45 PM
My son sent this to me: How to play the Severnce theme song in Desmos. www.youtube.com/watch?v=qdzH...
Reposted by Michael Freeman
The first (1955) Danish edition of Ray Bradbury’s FAHRENHEIT 451. Later editions did not convert the title, so this is the only SI-compatible edition! 🎢
November 1, 2025 at 7:55 PM
The first (1955) Danish edition of Ray Bradbury’s FAHRENHEIT 451. Later editions did not convert the title, so this is the only SI-compatible edition! 🎢
Reposted by Michael Freeman
It’s a tradition that I ask my “Physics III” class to create some memes about our class material. It’s *also* a tradition that they’re super good at this. Please enjoy, like and share! 🧪
(I promised my students extra game points if this goes nano-viral!)
(Front pic is my own entry.)
1/17
(I promised my students extra game points if this goes nano-viral!)
(Front pic is my own entry.)
1/17
November 1, 2025 at 3:07 PM
It’s a tradition that I ask my “Physics III” class to create some memes about our class material. It’s *also* a tradition that they’re super good at this. Please enjoy, like and share! 🧪
(I promised my students extra game points if this goes nano-viral!)
(Front pic is my own entry.)
1/17
(I promised my students extra game points if this goes nano-viral!)
(Front pic is my own entry.)
1/17
I know AI is everywhere in our lives, but this one really surprised me. I'm uploading my recommendation letters, and Naviance has offered to write my rec letters for me, using just 4 bits of information from me.
The absolute gall to call this "meaningful and personalized"
#EduSky #iTeachPhysics
The absolute gall to call this "meaningful and personalized"
#EduSky #iTeachPhysics
![Screenshot from Naviance: "Get started with your recommendation for [redacted]. To generate a meaningful and personalized recommendation letter, select the information you'd like to highlight. You can also set the tone, level of formality, and your relationship to the student. After you make your suggestions, generate the letter.
How formal should this letter be?
What tone would you like to set?
What's your relationship to the student?
Would you like to use bullet points?
Upload a template letter.](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:l72uci4styb4jucsgcrrj5ap/bafkreig5j5dlr2cs6rzbe72tgn3n7mbvmqjd7p7m5xsc53xruhpnuwlb2i@jpeg)
October 31, 2025 at 12:08 AM
I know AI is everywhere in our lives, but this one really surprised me. I'm uploading my recommendation letters, and Naviance has offered to write my rec letters for me, using just 4 bits of information from me.
The absolute gall to call this "meaningful and personalized"
#EduSky #iTeachPhysics
The absolute gall to call this "meaningful and personalized"
#EduSky #iTeachPhysics
Reposted by Michael Freeman
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