日曜日の泉北スポーツ広場。2010年8月22日に撮影。
The photo shows Semboku Sports Ground on a Sunday (August 22, 2010).
From tweets of yesterday (edited by rephrasing, adding words, etc.)
About Arts
"Japanese view of the natural world," Nature – Review of the exhibition, Sensing Nature: Rethinking the Japanese Perception of Nature, Mori Art Museum, Tokyo, until 7 November 2010. "A resolve to note and then destroy borders between humans, nature and artefact powers the show."
About Astrophysics
"Making black holes from scratch," Nature – "Numerical simulations show that the collision of massive galaxies can naturally lead to the creation of [supermassive black holes]."
"Nasa discoveries: most thrilling headlines and pictures," Telegraph – A selection of remarkable announcements in recent years.
About Books
"Last days of the lone astronomer," Nature – Review of Ann Finkbeiner's book, A Grand and Bold Thing: An Extraordinary New Era of Discovery. "[This book] succeeds in capturing the arcane world of the professional astronomer."
About Internet
"Timely and all-time best & worst lists," Time – "List: Science" includes "20 things you need to know about Einstein."
About Physics
"G-whizzes disagree over gravity," Nature News – "Recent measurements of gravitational constant increase uncertainty over accepted value."
"Nuclear theory nudged," Nature News – "Results from mothballed facility (the Oak Ridge Electron Linear Accelerator at Oak Ridge National Laboratory) challenge established theory."
"Quantum mechanics: The usefulness of uselessness," Nature News – "A game for three or more players called 'guess your neighbour's input' reveals common ground between classical and quantum physics — at the expense of more exotic, super-quantum, theories of nature."
[Retweet of seanmcarroll's words] Look, Mom, I'm on YouTube! Talking about the arrow of time at Google (with "googol" jokes): "The origin of the universe and the arrow of time." [Sean M. Carroll is a theoretical physicist at Caltech in Pasadena, California and wrote a popular-level book on cosmology and the arrow of time: From Eternity to Here: The Quest for the Ultimate Theory of Time.]
"Fine structure constant varies with direction in space, says new data." Tech Rev arXiv blog. – "[The leading author John] Webb is "no stranger to controversy" [. . .] So sit back and enjoy the show." (Retweeted by charmqgp)
Random writings of a retired physicist
Continuation of "Ted's Coffeehouse" (now being restored in archives of this site)
Copyright © 2001-2022 by Tatsuo Tabata
2010年8月27日金曜日
ウォーキング・コースの風景 9 (Scenery in the Courses of My Walking Exercise 9)
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