Rhett Allain
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rhettallain.bsky.social
Rhett Allain
@rhettallain.bsky.social
#physics stuff. WIRED blogger. #MythBusters #science and #MacGyver technical advisor.
https://www.wired.com/author/rhett-allain
https://rhettallain.com
New #physics post - do rubber bands follow Hooke's law and act like springs? Here I use the Vernier go direct cart to collect data.

medium.com/@rjallain/do...
Do Rubber Bands Follow Hooke’s Law Like Springs?
There are plenty of great uses for a rubber band. Personally, my favorite is to stretch one between by thumb and finger and then pluck it…
medium.com
November 18, 2025 at 1:08 PM
New #physics video - magnetic vector potential. I think making a 3D visual with #python really helps. #electrodynamics

youtu.be/YiJmN9xDCeI
Electrodynamics: The Magnetic Vector Potential due to a Straight Wire
YouTube video by Dot Physics
youtu.be
November 13, 2025 at 12:16 AM
Real World #physics - how fast would you have to run to parkour wall run the side of this curved bridge?

medium.com/@rjallain/co...
Could You Use Physics to Wall-Run This Bridge?
Everybody loves parkour — it’s like when a human becomes a superhero and does the unthinkable. Oh, you think only Spider-Man runs on walls…
medium.com
November 12, 2025 at 1:33 PM
Here’s my required #aroura pic from last night in #louisiana
November 12, 2025 at 12:09 PM
#physics homework. Forces, pressure, area
November 11, 2025 at 9:01 PM
Here's my #physics explanation of calculating the magnetic field due to a line, a loop, and a solenoid. Oh, of course #python is included. #electrodynamics

rjallain.medium.com/magnetic-fie...
Magnetic Fields: From Lines to Loops to Solenoids
The electrodynamics course starts off with a bunch of electric field stuff. After that, it finally gets to magnetostatics (non-changing…
rjallain.medium.com
November 3, 2025 at 11:56 PM
#physics meets #art - visualizing the magnetic field due to a solenoid with #python #vpython

youtu.be/dgwz_XYJnto
Electrodynamics: Visualizing the Magnetic Field due to a Solenoid
YouTube video by Dot Physics
youtu.be
October 31, 2025 at 10:27 PM
New #physics #electrodynamics video - finding the magnetic field due a solenoid 3 ways: Ampere's law, Biot-Savart and #python (of course).

youtu.be/nP0wecIyx2E
Electrodynamics: Magnetic Field due to a Solenoid
YouTube video by Dot Physics
youtu.be
October 31, 2025 at 8:28 PM
New #physics #python video - visualizing the magnetic field due to a loop of current. Bonus: calculating the magnetic dipole moment for #electrodynamics

youtu.be/iEq-C91bMbU
Electrodynamics: Visualizing B due to Loop and the Magnetic Dipole Moment
YouTube video by Dot Physics
youtu.be
October 29, 2025 at 3:42 PM
New #physics video - finding the magnetic field due to a loop of current. No tricks in this derivation - but I do it again with #python (you probably knew that). #electrodynamics

youtu.be/D5xrtFD3uYM
Electrodynamics: Magnetic Field due to a Loop of Current
YouTube video by Dot Physics
youtu.be
October 27, 2025 at 8:37 PM
New #physics post - using a stair climber machine at the gym as a work energy homework problem.

rjallain.medium.com/does-this-ex...
Does This Exercise Equipment Understand Physics? Let’s Find Out.
The university rec center updated their fitness equipment. With that, they put in these four stair climber machines (Matrix Performance…
rjallain.medium.com
October 27, 2025 at 1:44 PM
New #physics post - does Gauss's Law still work with dielectrics? This is basically a summary of the electric displacement field. #electrodynamics

rjallain.medium.com/what-is-the-...
What Is the Electric Displacement Field and How Does It Cheat Physics?
We know that there are interactions between electrically charged objects. If two things have the same net electric charge, they will repel…
rjallain.medium.com
October 22, 2025 at 9:18 PM
New #physics post - what's the maximum grade road you could ride a bike up? There are three things to consider: power, friction, center of mass. #iteachphysics
rjallain.medium.com/according-to...
According to Physics, What Is the Steepest Gradient You Could Cycle?
A cycling race on completely flat roads might be a little boring — but also not very realistic as very few roads are without hills. So, if…
rjallain.medium.com
October 20, 2025 at 7:39 PM
Reposted by Rhett Allain
AAPT is pleased to announce that Rhett Allain has been selected to receive the 2026 Richtmyer Memorial Lecture Award. The award will be presented during the 2026 AAPT Winter Meeting. Read more at ow.ly/UpA350Xe7e6 #AAPTAwards #AAPTWM26
October 17, 2025 at 2:06 PM
Reposted by Rhett Allain
Congratulations @rhettallain.bsky.social !🎢
AAPT is pleased to announce that Rhett Allain has been selected to receive the 2026 Richtmyer Memorial Lecture Award. The award will be presented during the 2026 AAPT Winter Meeting. Read more at ow.ly/UpA350Xe7e6 #AAPTAwards #AAPTWM26
October 17, 2025 at 2:51 PM
Reposted by Rhett Allain
Immigrants Make Up More Than 30 Percent of Nobel Science Winners Since 2000 www.nature.com/articles/d41...
More than 30% of this century’s science Nobel prizewinners immigrated: see their journeys
The most common destination for eventual Nobel laureates in physics, chemistry and medicine since 2000 is the United States, Nature has found.
www.nature.com
October 14, 2025 at 4:40 PM
As a #physics blogger, am I going to be replaced by AI? Maybe someday - but that day is not today. I asked AI to make a physics diagram for circular orbits. The results weren't too good.

rjallain.medium.com/can-a-i-make...
Can A.I. Make Physics Diagrams? Let’s Find Out.
I’m not sure if you already know this, but I often create physics diagrams for blog posts and stuff. Sometimes I even create stuff for…
rjallain.medium.com
October 8, 2025 at 9:17 PM
New #physics #electrodynamics video - using #python to display the electric field due to dipole water molecule.

youtu.be/BmvTOyyZQpo
Electrodynamics: Calculating the Electric Dipole Moment For Water
YouTube video by Dot Physics
youtu.be
October 6, 2025 at 11:06 PM
Reposted by Rhett Allain
Another look at Comet C/2025 A6 (Lemmon) from this morning. Here's three 8-minutes exposures showing its motion against the background of the stars. 🔭
October 5, 2025 at 9:21 PM
New #physics #electrodynamics video - 2 different ways to find the electric field from the dipole moment.

youtu.be/oy2mrY6NzPg
Electrodynamics: Two Versions of the Electric Field due to a Dipole Moment
YouTube video by Dot Physics
youtu.be
October 3, 2025 at 8:16 PM
This #physics #electrodynamics video is for future-Rhett because he's going to forget how to make a quiver plot and contour plot due to an electric dipole. #python #iteachphysics

youtu.be/cP3l6-2Z9rs
Electrodynamics: Plotting the Potential and Electric Field for a Dipole with Python
YouTube video by Dot Physics
youtu.be
October 2, 2025 at 3:28 PM
New #physics #electrodynamics video - finding the electric potential and electric field due to a dipole. #iteachphysics

youtu.be/rF3R6-849Rs
Electrodynamics: Finding the Electric Potential and Field due to a Dipole
YouTube video by Dot Physics
youtu.be
September 29, 2025 at 8:23 PM
#infrared cameras are fun, but also super useful. You can easily find water leaks even if a wall doesn’t look wet. Here’s a fun #physics demo
September 29, 2025 at 6:35 PM
I came up with a new line that I like.

We don’t do science to get stuff, we get stuff because we do science
September 27, 2025 at 3:27 PM