Thursday, June 28, 2018
Here is a picture with him at Dragon*Con in 2003. He complimented me on the shirt I was wearing, and rolled his eyes to signal to me (while I was waiting patiently at the front of the line) that the person in front of me in line for his autograph (who gave him tons and tons of things to sign) was an idiot. For me, he signed a well-read copy of the 35-year retrospective of his work, and he agreed to be in the picture below. Unlike recent Dragon*Cons, Ellison's autograph was free. He seemed to appreciate the fact that I had obviously read the book that I asked him to sign.
Update: Here is an obituary from The Nerdist.
Tuesday, June 26, 2018
Parasitic crustacean, Dendrogaster sp. found on the seastar, Mediaster brachiatus. Collected at depth of 300m, Kumanonada-sea, Japan. pic.twitter.com/uy2J3FD2dk— M (@manpokenautilus) June 25, 2018
Other examples of living networks are fungal networks.
(Tip of the cap to Jessica Rosenkrantz.)
Monday, June 25, 2018
(Tip of the cap to Peter Rothman.)
Sunday, June 24, 2018
I strongly recommend looking through Tiling Bot's feed.
Saturday, June 23, 2018
I'll also be participating and speaking at Howison-fest, a workshop in honor of Sam Howison's 60th birthday.
Thursday, June 21, 2018
Remember: "FUs are biologically well defined".
This screenshot is from this new paper.
(Tip of the cap to Alex Vespignani.)
Wednesday, June 20, 2018
A surface obtained by gluing six heptagons. Universal cover in the Poincaré model (the same character shown = the same point of the surface). Weapons to show that this is not orientable (it has Euler characteristic -1). Constructed by DivisionByZero [ https://t.co/zgD3J7pG4f ] pic.twitter.com/J1MzJKCkYl— Zeno Rogue (@ZenoRogue) June 20, 2018
The image appears to bulge out, though it consists of squares aligned vertically and horizontally. pic.twitter.com/uwb0HJPyiw— Akiyoshi Kitaoka (@AkiyoshiKitaoka) June 20, 2018
(Tip of the cap to Ben Orlin.)
Tuesday, June 19, 2018
Quoting the article's lead: Just as an earthquake’s seismic waves reveal properties of Earth’s interior, elastic surface waves on an apple can tell us about what’s going on inside the fruit.
This research may be a contender for an Ig Nobel prize.
Update: Apple seismology was discussed originally in a 1973 mathematical modeling paper by J.R. Cooke and Richard Rand. (This paper is cited in the Physics Today article above.)
Quoting from the article to which I linked:
On Monday, the Washington Nationals rookie crushed a tiebreaking, pinch-hit, two-run homer against the New York Yankees in the continuation of a game that started May 15 — five days before his big league debut.
According to the Elias Sports Bureau, Soto's blast will not be considered his first major league homer, but it will be counted as a home run hit on May 15.
Saturday, June 16, 2018
Title: Female Drosophila melanogaster Respond to Song-Amplitude Modulations
Authors: Birgit Brüggemeier, Mason A. Porter, Jim O. Vigoreaux,and Stephen F. Goodwin
Abstract: Males in numerous animal species use mating songs to attract females and intimidate competitors. We demonstrate that modulations in song amplitude are behaviourally relevant in the fruit fly Drosophila. We show that Drosophila melanogaster females prefer amplitude modulations that are typical of melanogaster song over other modulations, which suggests that amplitude modulations are processed auditorily by D. melanogaster. Our work demonstrates that receivers can decode messages in amplitude modulations, complementing the recent finding that male flies actively control song amplitude. To describe amplitude modulations, we propose the concept of song amplitude structure (SAS) and discuss similarities and differences to amplitude modulation with distance (AMD).
Thursday, June 14, 2018
He passed Ichiro in the game that ended a few hours ago.
Saturday, June 09, 2018
Sunday, June 03, 2018
LaTeX is so much better when you have emoji. pic.twitter.com/SYxgUXpWYN— Mike Bostock (@mbostock) June 2, 2018
(Tip of the cap to Karen Daniels.)
I'm happy to announce the triumphant return of The Power Law Shop!https://t.co/1sgZacqhhv— Mason Porter (@masonporter) June 3, 2018
Just in time for #netsci2018 (@netsci2018).
We're trying to fill a universal and critical need for scale-free swag.
Saturday, June 02, 2018
Well, I just didn’t realise that Jack and Jill had so many mishaps as well as falling down the hill. Here are some, as recounted in this little 1806 chap book, just 212 years ago https://t.co/SnLDtBTCia pic.twitter.com/mBkro0bvmn— Journal of Art in Society (@artinsociety) June 3, 2018
'Mathematics is an experimental science, and definitions do not come first, but later on.' -- Oliver Heaviside— Analysis Fact (@AnalysisFact) June 1, 2018
(Tip of the cap to Steve Strogatz.)