carl feynman ✓

@carl_feynman · Arlington, MA · joined 02 Sep 2021

I’ve spent a lifetime switching my Special Interest every year or two. By now I’m surprisingly knowledgeable in a lot of fields— a skill now obsoleted by AI.

25 280Followers

308Following

2 022Posts total

674.4KViews on collected posts

Latest posts

carl feynman ✓@carl_feynman1 Sep

Impressive results. Intuitively, I would have imagined this obviously wouldn't work. So, today I learned. 4.6K views · 18 likes · 0 reposts · 0 replies Open on X →

carl feynman ✓@carl_feynman25 Aug

A very good question! What's been happening for the past decade is that engineers improve the design of a model and its training procedure, train it, and it comes out better than the last model: some combination of faster/smarter/cheaper/saner/more capable. As long as improving 4.3K views · 39 likes · 2 reposts · 3 replies Open on X →

carl feynman ✓@carl_feynman24 Aug

Serious question: some of the largest demands for AI data centers are for “training.” Once they’ve ingested every book, every newspaper, every Usenet forum, every financial transaction, every database… at some point, isn’t training DONE? And then what do we do with all that 12.1K views · 41 likes · 1 reposts · 95 replies Open on X →

carl feynman ✓@carl_feynman23 Aug

Have the national labs done anything since the turn of the century? Back in the '80s, I used to hear about all sorts of new science out of the labs. But I don't think they've done anything major for the last twenty-five years. It seems like they've been completely taken over 107.1K views · 778 likes · 15 reposts · 59 replies Open on X →

carl feynman ✓@carl_feynman23 Aug

This looks like a step forward in mathematics, but it doesn't count until you explain how you did it. 14.6K views · 55 likes · 1 reposts · 3 replies Open on X →

carl feynman ✓@carl_feynman23 Aug

R(3,10)=40 18.2K views · 17 likes · 1 reposts · 0 replies Open on X →

carl feynman ✓@carl_feynman23 Aug

The US National Labs are kind of insane. They literally trace their history to the Manhattan Project. They: - Developed the Monte Carlo method - Built the 1st nuclear reactor for electricity - Developed EISPACK and LINPACK (whos direct ancestors power numpy, scipy, pytorch, 144.9K views · 721 likes · 45 reposts · 17 replies Open on X →

carl feynman ✓@carl_feynman21 Aug

@carl_feynman That is not what happened when Richard Feynman got sued. They paid up and settled. 1.9K views · 57 likes · 0 reposts · 2 replies Open on X →

carl feynman ✓@carl_feynman20 Aug

@carl_feynman And here I always thought "self-destruct" buttons in cartoons that make the machine explode were ridiculously unrealistic... 2.9K views · 78 likes · 1 reposts · 1 replies Open on X →

carl feynman ✓@carl_feynman20 Aug

@carl_feynman Plot twist: The explosion cause was the accumulated free energy that was no longer being "disposed" into the grid. 2.3K views · 67 likes · 0 reposts · 0 replies Open on X →

carl feynman ✓@carl_feynman20 Aug

Richard Feynman (my father) divided perpetual motion machines into Perpetual Motion Machines of the First Kind, which violate the first law of thermodynamics (AKA conservation of energy), Perpetual Motion Machines of the Second Kind, which violate the second law of thermodynamics 361.5K views · 5.5K likes · 414 reposts · 137 replies Open on X →

Against accounts of the same size

11 posts from the last 90 days, next to the 10K–100K follower range. shown widely, but few of those viewers react.

Median views12 094this account924median for 10K–100K

Reach, %47.84%this account3.62%median for 10K–100K

Engagement, %1.02%this account1.52%median for 10K–100K

Metric	This account	Median for 10K–100K	Ratio
Median views per post	12 094	924	13.1×
Reach (views ÷ followers)	47.84%	3.62%	13.2×
Engagement rate	1.02%	1.52%	0.67×

Others in this range → Compare with another account → How these benchmarks are built →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

361.5K20 Aug

2.3K

2.9K

1.9K21 Aug

144.9K23 Aug

18.2K

14.6K

107.1K

12.1K24 Aug

4.3K25 Aug

4.6K1 Sep

Last 11 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

1.69%20 Aug

2.97%

2.77%

3.08%21 Aug

0.55%23 Aug

0.10%

0.40%

0.80%

1.17%24 Aug

1.02%25 Aug

0.40%1 Sep

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.52%.

What the audience does

Likes74.7%7 391 in total

Reposts4.8%480 in total

Replies3.2%317 in total

Quotes0.8%79 in total

Bookmarks16.5%1 630 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.

Latest posts

Against accounts of the same size

Growth & engagement

Views per post

Engagement rate per post

What the audience does

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