タマスダレ (Fairy Lily)

　タマスダレ（玉簾、ヒガンバナ科）。2010年9月27日、わが家の庭で撮影。

Fairy lily or white rain lily; botanical name, Zephyranthes candida; family, Amaryllidaceae. The photo was taken at our yard on September 27, 2010.

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

About Astrophysics

"Neutron star formation could awaken the vacuum," Physical Review Focus (October 1, 2010). —"A theory predicts that under some circumstances, the energy of the empty space around a neutron star (bright spot at center, surrounded by supernova remnant) could exceed the energy of the star's mass. [. . .] 'It's an invitation for some further research.' " (Retweeted by ColinPeters)

About Language

[Retweet of utadahikaru's words] The Japanese [word for] thank you[,] "Arigato[,]" literally means "hard to find." The opposite of taking something for granted. Beautiful language, isn't it? (via someone else; retweeted by more than 100 persons)

[Retweet of newscientist's words] "Cosmic accidents: Inventing language, the easy way," (October 2, 2010). —How language was born and helped humans.

About Life

Am going to join a bus trip for a concert at a straw thatched music hall in Goma, Kyoto, tomorrow.

About Mathematics

"Math DL: MAA Writing Awards," —We can view past winning pieces by name or subject listing (via Internet Scout). ("Math DL" means "The MAA Mathematical Sciences Digital Library;" and "MAA," "the Mathematical Association of America.")

About Peace and Politics

[Retweet of PeacePhilosophy's words] "So-called 'Sympathy Budget' is only 28% of the total expenses Japan is paying for US bases 「思いやり予算」は在日米軍関連経費のたった２８％である," Peace Philosophy Centre blog (October 1, 2010) When governments and media talk about "sympathy budget," we tend to think that's all Japanese taxpayers are paying . . ."

About Physics

[Retweet of grahamfarmelo's words] "Quanta, symmetry & topology." —Video of richly insightful talk by Frank Wilczek (September 24, 2010).

"Information Physics: The New Frontier," Kevin H. Knuth, arXiv:1009.5161v1.

Quotations

[Retweet of sciencewisdom's words] To my mind to kill in war is not a whit better than to commit ordinary murder. —A.Einstein http://iwise.com/XUlgt.