天空の本 (The Book in the Sky)

　もやもやした雲の中央上部に、本の形を見る。本好きであるせいか、あるいはむしろ、最近ツイッターにハマって、読書時間があまり取れていないうしろめたさのせいか。（2010年12月1日撮影）

At the top center of the wooly clouds, I saw the outline of a book. This is perhaps because of my love of books, or rather because of my shameful days of not having enough time for reading owing to addiction to Twitter. (The photo was taken on December 1, 2010.)

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

High Energy Physics

"Cosmologists discover how black holes can leak." Extra dimensions should allow information to escape from black holes, according to a new model of cosmology. Technology Review, Physics arXiv Blog (December 23, 2010).

Physicists

"Q&A: Impossible thoughts." As Roger Penrose publishes his collected works — six volumes comprising more than 5,000 pages — the mathematical physicist muses on 50 years of groundbreaking research in general relativity, quantum mechanics, cosmology, geometry and consciousness. Nature Vol. 468, p. 1039 (December 23, 2010). [Retweeted by Gregory A. Good]

Physics

"Look ahead to 2011." Space missions provided a lot of data in 2010. That looks set to continue next year. physicsworld, News (December 22, 2010).

"Best of the blog." The bizarre stories from the world of physics in 2010. physicsworld, News (December 22, 2010).

Science

"2010: The year in which …" A round-up of the top science news stories of the past 12 months. Nature, News (December 22, 2010).

"2010 Gallery: Images of the year." From volcanoes to graphene – and more. Nature, News (December 22, 2010).