秋色 ２ (Autumn Colors 2)

　ハナミズキの紅葉。2010年10月19日、堺市中区・鈴の宮公園で撮影。

The autumn color of flowering dogwood leaves. The photo was taken at Suzunomiya Park, Naka-ku, Sakai, on October 19, 2010.

From tweets of yesterday (edited by rephrasing, adding words, etc.)

About Arts–Science Interaction

"Size Matters: Turning Physics Into Art," by Jennifer Ouellette, Discovery News (October 27, 2010) (via About Physics).

About Mathematics

"Large cardinals: maths shaken by the 'unprovable'." A shocking discovery has unsettled the world of numbers, says Richard Elwes. Telegraph (November 9, 2010).

About Physics

"New horizons for Hawking radiation." Evidence for radiation analogous to that predicted near black holes by Hawking has been found in the emission of optical filaments propagating through glass. Physics Viewpoint (November 8, 2010).

[Retweet of pickover's words] "Why Richard Feynman can't tell you how magnets work (video)," Boingboing (November 8, 2010; from Atlantic).

秋色 １ (Autumn Colors 1)

　ハナミズキの紅葉。2010年10月16日、堺市西区鳳南町で撮影。

The autumn color of flowering dogwood leaves. The photo was taken at Ōtoriminami-machi, Nishi-ku, Sakai.

From tweets of yesterday (edited by rephrasing, adding words, etc.)

About Arts

Colored X-rays; how did he get it? [Retweet of madge's words] To help celebrate 115 years of X-rays: "X-rays of flowers by Hugh Turvey." Hugh Turvey's X-rays show that beauty is more than skin deep. Telegraph, Picture Galleries (August 2, 2010).

About Astrophysics

"Star's song captured by scientists." Scientists have captured the 'song' of a distant star as part of new research that is providing insights into what lies beneath its surface. Telegraph (November 7, 2010).

About Philosophy

The message of Philipp Blom's book "A Wicked Company" is introduced: [Retweet of 3 Quarks Daily's words via U (@F414)] "Atheism and the Enlightenment: The Forgotten Radicalism of the European Enlightenment." An 18th-century Paris salon where philosophers met to eat and drink and deny the existence of God and the soul. Economist (October 28, 2010).

About Physics

"The skinny on the LHC’s heavy ions," Less than 24 hours after the end of the Large Hadron Collider’s first high-energy run of proton collisions, beams of lead ions are already circulating in the LHC. . . . What are lead ions? Is accelerating them any different than protons? And why dedicate one of the LHC’s precious months of operation to lead-ion collisions? [—These are explained.] Symmetry Breaking (November 5, 2010).

Words to Friends

[In response to 多幡歯科's words: きょうは、いい歯の日です。CMもやってましたね。歯を大切に。 …] いい歯の日に、ツイッター上でお目にかかれました。私も大阪・梅田にある、かかりつけの歯医者さんへ、先延ばししていた定期検診にそろそろ行かなければ、と思っています。

ギンモクセイ (Sweet Osmanthus)

　ギンモクセイ（銀木犀、モクセイ科）。2010年11月4日、ウォーキング途中で撮影。

Sweet osmanthus; botanical name, Osmanthus fragrans Lour. var. fragrans; family, Oleaceae. The photo was taken on November 4, 2010, in the course of walking exercise.

From tweets of yesterday (edited by rephrasing, adding words, etc.)

About Mathematician and Physicist

Blog post: "Did Wiener say these words?" Femto-Essays (November 7, 2010).

[From Neil Gunther to Karin Fornazier and me, about the original quote by William Bragg] "Light is waves on Monday, Wednesday, and Friday; particles on Tuesday, Thursday, and Saturday, and on Sunday, we think about it." See http://j.mp/amlQ1j [a page linked to "Quantum Information Technologies" by Neil Gunther].

[To Neil Gunther; also to Karin Fornazier for information] Thanks, Neil, about the William Bragg quote. Thanks are also due to Sarah Kavassalis and Arjen Dijksman about the same quote.

About Particle Physics

[Retweet of Science Mag News's words] "More Evidence for Hidden Particles?" Science Now (November 5, 2010) (via astroparticle).

About Peace and Politics

朝日紙連載「核なき世界へ：被爆国からのメッセージ」に学ぶべき言葉が多い。11月6日付け、月下美紀氏「地上戦を経験した沖縄の人々は広島、長崎に関心を示さない。…中略…『戦争反対』を根底に据えることで、…中略…一緒に考えることができるのではないでしょうか。」11月7日付け、アーサー・ビナード氏「核抑止論はナンセンス。…中略…オバマ氏も見かけ倒しの『チェンジ！』ではなく、命がけでやれば方向転換出来るはずです。そもそも人間が作ったモノをなくすのだから、やる気があれば可能でしょう。」

Exchange of Words with Friends

[From tomyi] Ted's Coffeehouse、こちらに引っ越しなさったのですね！ 九段会館は、映画の試写会で何度か行ってます。[Retweet of Tatsuo Tabata's words] 東京・九段会館 (A photo).

[To tomyi] いや、こちらは Ted's Coffeehouse 3 で、Ted's Coffeehouse 2 は、元のままです。消失した「ゆびとま」のものが番号なしの Ted's Coffeehouse です。

クロガネモチの実 (Fruits of Round Leaf Holly)

　クロガネモチの実（黒鉄黐、モチノキ科）。2010年11月3日、堺市・鳳公園で撮影。

Round leaf holly; botanical name, Ilex rotunda; family, Aquifoliaceae. The photo was taken on November 3, 2010, at Ōtori Park, Sakai.

From tweets of yesterday (edited by rephrasing, adding words, etc.)

About Life

It is our golden wedding today. We do not have a big ceremony but went to have a course lunch at a hotel restaurant next to Nankai Sakai Station not far from here. Please look at one of photos of our honeymoon. [Got words of congratulations from nine friends of mine on Twitter and from four on Facebook (including one from both the two sites)]

About Quantum Physics

"75 years of entanglement," Science News Vol. 178, No. 11, p. 25 (2010) (via sciencenewsorg). —Entanglement, Hideki Yukawa's meson theory and I are same years old! [Retweeted by Glaucio Souza @gtsouza]

About Space Science

"Airline frequent fliers 'radiation poisoning risks' from space 'solar flare' storm activity." Airline frequent fliers are at greater risk of developing long term radiation poisoning from "solar space storms" or flare activity from the Sun, a new study warns. Telegraph (November 5, 2010).

"Dark worlds: A journey to a universe of unseen matter [Interactive]." Does a universe of dark matter exist alongside ours, but hidden from view? This digital feature is a rich-media presentation of the article, "Dark Worlds," which appears in the November 2010 issue. Scientific American (November 4, 2010).

ツワブキ (Leopard Plant)

　ツワブキ（石蕗、艶蕗。イシブキ、ツワともいう。キク科）。2010年11月3日、堺市・鳳公園で撮影。

Leopard plant, green leopard plant, or ligularia; botanical name, Farfugium japonicum; family, Asteraceae. The photo was taken on November 3, 2010, at Ōtori Park, Sakai.

From tweets of yesterday (edited by rephrasing, adding words, etc.)

About Astrophysics

"Space telescope [Herschel] spots 'invisible' galaxies," New Scientist (November 4, 2010). Reference: "The Detection of a population of submillimeter-bright, strongly lensed galaxies." Science Vol. 330, p. 8005 (November 2010). [Retweeted by @gtsouza Glaucio Souza]

"Comet Hartley 2 fly-by sets NASA astir," New York Times (November 4, 2010). —A close approach image of the comet is attached.

About Books

"Weighty matters." Andy Parker reviews Ian Sample's book, Massive: The Hunt for the God Particle. physicsworld (November 2, 2010).

"Between the lines." Reviews of books on the physics of music, the dwarf planet Pluto and the history of noble gases. physicsworld (November 2, 2010).

About History of Physics

"Bronx physics." Robert P. Crease on why one New York school has produced seven Nobel-prize winners. physicsworld (November 2, 2010).

About Particle Physics

"When muons collide." A new type of particle collider known as a muon collider considered a wild idea a decade ago is winning over skeptics as scientists find solutions to the machine's many technological challenges. Symmetry Vol. 7, issue 5, (October 2010) [Retweeted by @gtsouza Glaucio Souza]

"LHC gears up to create mini big bangs," The ALICE experiment should have its lead collisions by the weekend. physicsworld (November 4, 2010).