Rhett Allain

YouTube video by Dot Physics Electrodynamics: Calculating the Electric Dipole Moment For Water

New #physics #electrodynamics video - using #python to display the electric field due to dipole water molecule.

youtu.be/BmvTOyyZQpo

Rubber Band Physics: Measuring Weight* and Mass What’s the difference between mass and weight and how do you measure both of them? Yes, that’s what we are going to do — measure these two…

New #physics post - mass vs. weight and measuring them with just a rubber band. #iteachphysics

rjallain.medium.com/rubber-band-...

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. 🔭

YouTube video by Dot Physics Electrodynamics: Two Versions of the Electric Field due to a Dipole Moment

New #physics #electrodynamics video - 2 different ways to find the electric field from the dipole moment.

youtu.be/oy2mrY6NzPg

YouTube video by Dot Physics Electrodynamics: Plotting the Potential and Electric Field for a Dipole with Python

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

YouTube video by Dot Physics Electrodynamics: Finding the Electric Potential and Field due to a Dipole

New #physics #electrodynamics video - finding the electric potential and electric field due to a dipole. #iteachphysics

youtu.be/rF3R6-849Rs

Thermal Master P3, PCB Thermal Camera Shop the official Thermal Master store. P3, best focusable PCB thermal camera for electronic repairs and 1mA leakage detection. Built for electricians.

If you want to purchase this camera, use the discount code Rhett10 for 10% off thermalmaster.com/zuroruijub

#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

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

#iteachphysics check this out!

YouTube video by Dot Physics Electrodynamics: Solving Laplace Equation for Potential Using Python

New #physics #electrodynamics #python video - AGAIN doing the finite difference calculation of electric potential, but this time with Jupyter notebooks. Bonus: calculating the electric field. #iteachphysics

youtu.be/l9_Bacoo6Mc

YouTube video by Dot Physics Electrodynamics: Finding Potentials with Boundary Conditions Using the Finite Difference Method

New #physics #electrodynamics video - solving 2d electric potential with python and a finite difference relaxation method. #iteachphysics

youtu.be/BB5QZ2El1AI

YouTube video by Dot Physics Electrodynamics: Using Separation of Variables to Find the Electric Potential

New #physics video (this one is long). Using separation of variables to find the electric potential in a 2D area with boundary conditions ( #electrodynamics). Yes, 3D surface plot included at the end.
youtu.be/M3RDynwsFuw

This is what is looks like

YouTube video by Dot Physics Electrodynamics: Charge Near a Conducting Plate, Modeling with Python

New #physics #python #electrodynamics video - showing that we can repeat the method of images for a charge near a plate with a many body problem.

youtu.be/tUPKyG0QJ3w

Don’t forget @phyphox.org - there are some great experiments where you can get data using a smartphone

YouTube video by Dot Physics Do UAPs Conserve Momentum? A Physics Video Analysis of a Collision with a Missile

New #physics video - analysis of a collision between a #UAP and a missile to estimate the UAP mass. #python code included (for visualization). #iteachphysics

youtu.be/wFscSDiLjJk

On the NASA Mars biosignature page - I love this paragraph that subtlety asks for future funding with a totally unnecessary gives a shout out to Trump.

Do UAPs Conserve Momentum? A Video Analysis to Find the Mass of an Unidentified Orb There’s a lot of stuff I don’t know about this situation. Here’s what I do know. There’s a video from a drone that shows the impact between…

I couldn't help myself. I had to do a #videoanalysis of that collision between a missile and a #uap - you know, for #physics. Is momentum conserved? Can we find the mass of an orb? Well, we can try. #iteachphysics

rjallain.medium.com/do-uaps-cons...

Laplace Equation Laplace Equation Recall that the combination of Gauss’s Law and the definition of electric potential gives the following. The last equation gives a relationship between the potential and the cha...

For my #electrodynamics class, I made a tutorial to help students build a #python program to solve the 1D potential boundary problem using the finite difference method. Here it is in case you find it useful. #physics #iteachphysics

docs.google.com/document/d/1...

I'm pretty sure you can turn on a color-temp bar. Need to double check. But yeah, these cameras are so much more affordable than they were 10-15 years ago

Morning coffee in #infrared

Gauss’s Law Python Gauss’s Law Python Here we want to calculate the electric flux through a spherical surface for any charge distribution. Simple Gauss’s Law Suppose I have a point charge (q) at the origin. If we as...

My #physics students wanted me to write up a tutorial for the 3D #python calculations for Gauss's law - here it is in case you want to use it. #iteachphysics

docs.google.com/document/d/1...

great point

Fantastic Four Physics: Could You Throw Someone (or some Thing) into Space? Preemptive notes: Yes, I’m going to get to the physics but there’s some important stuff to discuss first:

Not a spoiler, but could a super powered person actually throw someThing into space? Here's my #physics analysis - with #python calculations of course.

rjallain.medium.com/fantastic-fo...

Here is a link to the code and this is what it looks like.
trinket.io/glowscript/0...

YouTube video by Dot Physics Python Physics: 3D Model of Gauss's Law for a Sphere

Do you like awesome? Here is a #python model for #gaussslaw to visualize the flux for non-uniform surfaces. #physics #iteachphysics

youtu.be/rQEBjzzYS7g

This is what it looks like (here's the code) trinket.io/glowscript/9...

YouTube video by Dot Physics Electrodynamics: Visualizing the Electric Flux with VPython

New #physics #python video - visualizing the electric flux through a cube. This is for my #electrodynamics course #iteachphysics

youtu.be/KIsB4rfJ7RI

YouTube video by Dot Physics Electrodynamics: Visualizing the Electric Flux with VPython

New #physics #python video - visualizing the electric flux through a cube. This is for my #electrodynamics course

youtu.be/KIsB4rfJ7RI