Follow this blog on Twitter

Recent Posts
Recent Comments
 Joan Hendricks: Dr. Tegmark, Thank you for this blog. I read all of the Chapter 5 you...
 Ben Goren: Phillip, my point was that, at least naïvely, it would seem that the...
 Phillip Helbig: ” I donâ€™t think I need a calculator to know that the mass of an...
 UncleMonty: Max, thanks – a couple of things clicked for me that never clicked...
 Ben Goren: Phillip, the Schwarzschild Radius of Sagittarius A* is about a tenth of an...
 Phillip Helbig: @Ben Goren: “it would seem to be safe to suggest that the...
Archives
Categories
@seanmcarroll on Twitter
My TweetsBuy stuff!
The Particle at the End of the Universe: How the Hunt for the Higgs Boson Leads Us to the Edge of a New World From Eternity to Here: The Quest for the Ultimate Theory of Time Spacetime and Geometry: An Introduction to General Relativity Mysteries of Modern Physics  Time (The Great Courses) Dark Matter and Dark Energy (The Great Courses) Meta

Category Archives: Math
Poker Is a Game of Skill
Via the Seriously, Science? blog comes what looks like a pretty bad paper: Is poker a game of skill or chance? A quasiexperimental study Gerhard Meyer, Marc von Meduna, Tim Brosowski, Tobias Hayer Due to intensive marketing and the rapid … Continue reading
Posted in Entertainment, Math
30 Comments
Smooth Life
Chances are you’ve seen Conway’s Game of Life, the checkerboard cellular automaton featuring stable structures, replicators, and all sorts of cool designs. (Plenty of implementations available online.) It’s called “life” because the processes of movement and evolution bear some tangential … Continue reading
Posted in Math
8 Comments
Time and Space, Remapped
A short twoperson dance, with a twist. Or more accurately, a shear: time is remapped so that there is a delay that increases as you move from the top of the frame down to the bottom. Or in math: (x’, … Continue reading
Posted in Entertainment, Math
6 Comments
Dara O Briain School of Hard Sums
This is an actual TV show in the UK (based on a Japanese program), broadcast on a channel called Dave. In it, Dara O Briain and mathematician Marcus du Sautoy, along with special comedy guests, take on math puzzles (and … Continue reading
Posted in Math, Media
19 Comments
How Probability Works
From Barry Greenstein’s insightful poker book, Ace on the River: Someone shows you a coin with a head and a tail on it. You watch him flip it ten times and all ten times it comes up heads. What is … Continue reading
Posted in Entertainment, Math
35 Comments
Calculus Day!
Yes, I know, I’m not very good at this hiatus thing. But there is important news that needs to be promulgated widely — the news of calculus. No more will innocent citizens cower in fear at the thought of derivatives … Continue reading
Posted in Math, Science and the Media, Words
18 Comments
Pie Are Square; Oil Spills Are Round
Ah, not this one again. The folks at Iglu Cruises have put together a helpful infographic to explain various features of the Gulf of Mexico oil spill (via Deep Sea News). Here’s the bit where they compare the recent spill … Continue reading
Posted in Math
31 Comments
NonNormalizable Probability Measures for Fun and Profit
Here’s a fun logic puzzle (see also here; originally found here). There’s a family resemblance to the Monty Hall problem, but the basic ideas are pretty distinct. An eccentric benefactor holds two envelopes, and explains to you that they each … Continue reading
Posted in Math
66 Comments
Why Can’t We Visualize More Than Three Dimensions?
Physicists and mathematicians who think about higherdimensional spaces are, if they allow their interest to somehow become public knowledge, inevitably asked: “How can you visualize more than three dimensions of space?” There are at least three correct answers: (1) You … Continue reading
Posted in Math
54 Comments
The Sunday Function
I sometimes forget that we don’t all read the same blogs, and that it’s good to recommend some of the fun stuff out there on the internets. So let me give a shoutout to Matt Springer at Built on Facts, … Continue reading
Posted in Internet, Math
11 Comments