Rhett Allain – Medium

Rhett Allain

The Math of Cat in the Hat: Would Cat Z Be Too Small to See?

Of course you’ve heard of Cat in the Hat. It’s a classic from Dr. Seuss. Well, there’s more than one book. In the second book (The Cat in…

2d ago

The Math of Cat in the Hat: Would Cat Z Be Too Small to See?

2d ago

Lagrangian Mechanics: Speed Run Problems (with VPython Animations)

Just for fun, I’m going to set up some physics problems for Lagrangian mechanics. This will give you some situations to practice with.

Dec 13

Lagrangian Mechanics: Speed Run Problems (with VPython Animations)

Dec 13

Real World Physics: Estimating the Acceleration of a Train

Sometimes you see stuff in the real world that would just make a fun physics problem. It’s not a textbook problem with a bunch of given…

Dec 7

Real World Physics: Estimating the Acceleration of a Train

Dec 7

Infrared Camera on Your Smart Phone: The Thermal Master P2 Pro

I’ll admit it. I’m obsessed with infrared cameras. Using them sort of makes you a superhero. You can see things that you wouldn’t otherwise…

Dec 5

Infrared Camera on Your Smart Phone: The Thermal Master P2 Pro

Dec 5

The Physics of Footballs and Snowballs. Could a Snowball Actually Deflect a Field Goal Attempt?

Sometimes physics problems just spontaneously appear in real life. In this case, it’s from the San Francisco vs. Bills football in Buffalo…

Dec 3

The Physics of Footballs and Snowballs. Could a Snowball Actually Deflect a Field Goal Attempt?

Dec 3

Could You Launch a Bowling Ball Into Space Using Black Powder?

Maybe you’ve seen these anvil launching competitions? If not, here’s the basic idea. You get a 100 pound anvil and put it on top of 2…

Nov 25

Could You Launch a Bowling Ball Into Space Using Black Powder?

Nov 25

Bead on a Rotating Hoop: An Example of Lagrangian Mechanics

If you don’t like Lagrangian mechanics, you won’t like this post. Oh, maybe you don’t like the Lagrangian but you want to LEARN to like it…

Nov 23

Bead on a Rotating Hoop: An Example of Lagrangian Mechanics

Nov 23

If Birds Can Fly, Why Can’t Humans? An Example of the Physics of Scale

This isn’t really about birds, this is about Angel (from X-Men). But if you want to think about birds instead, that’s cool too. In case you…

Nov 16

If Birds Can Fly, Why Can’t Humans? An Example of the Physics of Scale

Nov 16

Measuring the Efficiency of a Light Bulb Using a Solar Panel

I don’t even know how well this will work, but I’m going to do it anyway. I’m going to use the Sun to estimate the efficiency of a small…

Nov 15

Measuring the Efficiency of a Light Bulb Using a Solar Panel

Nov 15

Superhero Physics: How Strong Is Bucky’s Arm in Thunderbolts*

Of course I haven’t seen Thunderbolts* yet — no one has since it’s not out. But there IS a trailer. You can see it here.

Nov 13

Superhero Physics: How Strong Is Bucky’s Arm in Thunderbolts*

Nov 13

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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