Rhett Allain – Medium

Rhett Allain

10.1K followers

Catch That Speed Demon: How to Clock a Car (or Meteor) with Your Home Camera and Physics

Pretty much everyone has a camera on their house. How else will you know when your package gets delivered or that neighbor is doing that…

Nov 26

chalk board image showing a car with a velocity vector and the definition of velocity in the x-direction.

Nov 26

Physics Lab: Inductance and Capacitors in Resonance

You might think that capacitors and inductors in circuits make interesting physics problems — but that’s about it. Of course that is far…

Nov 21

Chalk board sketch of an RLC circuit and varying voltages.

Nov 21

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…

Nov 18

Do Rubber Bands Follow Hooke’s Law Like Springs?

Nov 18

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…

Nov 12

Could You Use Physics to Wall-Run This Bridge?

Nov 12

Physics Lab: Measure the Charge to Mass Ratio for the Electron

The electron is a fundamental particle, but there’s a big problem — you can’t directly see them. That means that it’s quite difficult to…

Nov 8

Physics Lab: Measure the Charge to Mass Ratio for the Electron

Nov 8

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…

Nov 3

Magnetic Fields: From Lines to Loops to Solenoids

Nov 3

What Happens to Physics When A.I. Makes a Demo Video?

People use AI for all sorts of things. It’s possible to make something useful stuff — but you can also make silly stuff. So, how well is…

Oct 31

What Happens to Physics When A.I. Makes a Demo Video?

Oct 31

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…

Oct 27

Does This Exercise Equipment Understand Physics? Let’s Find Out.

Oct 27

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…

Oct 22

What Is the Electric Displacement Field and How Does It Cheat Physics?

Oct 22

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…

Oct 20

According to Physics, What Is the Steepest Gradient You Could Cycle?

Oct 20

Rhett Allain

Rhett Allain

10.1K followers

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

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