Rhett Allain – Medium

Rhett Allain

Physics Question: What Happens to Force on the Block When It’s Tilted?

Here’s a great physics question for you. A block with mass of 1 kilogram sits on a horizontal table at rest such that the table pushes up…

4d ago

Physics Question: What Happens to Force on the Block When It’s Tilted?

4d ago

Calculus is Weird. Why Is the Area Related to the Slope? Fundamental Theorem Explained.

In case you didn’t know, calculus is weird. In the intro class, there are really just two big ideas: derivatives and integrals. We can say…

May 2

Calculus is Weird. Why Is the Area Related to the Slope? Fundamental Theorem Explained.

May 2

Pew Pew… But How Fast? A Physics Investigation of Star Wars Blaster Bolts

A long time ago in a different blog, I did an analysis of the speed of blaster bolts. Well, the internet does not preserve things like we…

Apr 29

Pew Pew… But How Fast? A Physics Investigation of Star Wars Blaster Bolts

Apr 29

Lenz’s Law Is Confusing for Many Physics Students — Here’s How It Really Works

In the algebra-based physics course, the second semester gets pretty dicey. There’s a bunch of important things in there — but much of it…

Apr 27

Lenz’s Law Is Confusing for Many Physics Students — Here’s How It Really Works

Apr 27

The Physics of Rigid Body Rotations: Three Methods to Model a Tumbling Object in Python.

One of my favorite (and simple) physics demonstrations is to show that angular momentum and angular velocity don’t have to be in the same…

Apr 15

The Physics of Rigid Body Rotations: Three Methods to Model a Tumbling Object in Python.

Apr 15

Physics of the Torpedo Bat: Finding the Location of the Sweet Spot

Everyone is talking about the NY Yankees and their use of a new “torpedo bat”. It’s basically a bat that is wider and then tapered at the…

Apr 5

Physics of the Torpedo Bat: Finding the Location of the Sweet Spot

Apr 5

Python in Astrophysics: Creating an N-Body Simulation

How do you know what happens when two galaxies collide? There are a few options here. The first is to just look into the sky and find…

Mar 30

Python in Astrophysics: Creating an N-Body Simulation

Mar 30

Kepler’s Laws of Planetary Motion: Verification with a Python Model

Every introductory astronomy course is going to go over Kepler’s laws. These might also be in a classical mechanics or astrophysics course…

Mar 19

Kepler’s Laws of Planetary Motion: Verification with a Python Model

Mar 19

Science Communication: The Gravitational Force is NOT Constant

I’m not angry, I’m just disappointed. I mean I’m both a huge Adam Savage fan and who doesn’t like the Muppets? However, I watched this…

Mar 9

Science Communication: The Gravitational Force is NOT Constant

Mar 9

Physics Lab: Measuring the Force on a Bouncing Ball

I like toys — but everyone likes toys, right? But what about physics-toys? Those are the best. Vernier (the science education equipment…

Mar 8

Physics Lab: Measuring the Force on a Bouncing Ball

Mar 8

Rhett Allain

Rhett Allain

Physics faculty, science blogger of all things geek. Technical Consultant for CBS MacGyver and MythBusters. WIRED blogger.

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