About time: Adventures in the fourth dimension
from New Scientist - Online News
(2011-10-11 19:59)
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Does it flow in only one direction? Is it a figment of our imagination? And can it provide the elusive theory of everything? New Scientist travels into time
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Carbon bubble could threaten markets… maybe
from New Scientist - Online News
(2011-10-11 19:53)
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Shaky assumptions about future fossil-fuel use are buoying financial markets and could trigger another crash one day, a green-energy entrepreneur says
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Quorum sensing makes flashing bacteria blink together
from New Scientist - Online News
(2011-10-11 19:36)
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Acting as a group, these E. coli create a stunning synchronised light show
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What is your place in nature?
from New Scientist - Online News
(2011-10-11 18:38)
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Poet and linguist Melanie Challenger tours half the the world in On Extinction: How we became estranged from nature
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About time: The body's metronome
from New Scientist - Online News
(2011-10-11 18:00)
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Time rules our lives, but take away clocks, schedules and calendars, and our bodies still march to the beat of internal timekeepers. Linda Geddes reports (full text available to subscribers)
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About time: A most familiar mystery
from New Scientist - Online News
(2011-10-11 16:00)
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Quantum physicist David Deutsch believes that the quest to understand time could do more than just unite the past, present and future (full text available to subscribers)
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2011.10.10葛西臨海水族館/BMIで仮想触覚フィードバック
from 森山和道
(2011-10-11 9:12)
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▼葛西臨海水族館が無料開放の日。というわけで行って来た。けっこうな混雑だったが、それなりに楽しめた。水族館のなかで時間をつぶしすぎて、外の臨海公園の砂州に行けなかったのが残念。
▼晩御飯はトンカツ。トンカツ旨い。
▼AFP 脳だけで「仮想の腕」動かし「仮想物体」感じるサル、米大研究
サルの脳に電極を埋め込み、このサルに「仮想アーム(腕)」でコンピューター内にある仮想の物体を動かさせたり、その質感を触覚させることに成功したとの研究結果が、5日の英科学誌ネイチャー(Nature)に掲載された。研究が進めば、いずれは重度のまひがある人たちも、物に触れる世界を再び取り戻すことができるかもしれない。
神経生物学を専門とする米デューク大学(Duke University)のミゲル・ニコレリス(Miguel Nicolelis)教授率いる研究チームは、2匹のアカゲザルを用い、脳の両半球に複数の電極を埋め込んで実験を行った。
実験でサルたちは、コンピューター画面上に表示された3つの物体に触ろうと、脳の力だけで「仮想アーム」を操作した。
物体の1つには「表面」に触れた感覚をもたらす「触覚フィードバック」が備わっている ...
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About time: Why does time's arrow fly only one way?
from New Scientist - Online News
(2011-10-11 0:43)
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We can move through space in any direction we like– but time is a strictly one-way street, and physicists still can't tell us why (full text available to subscribers)
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About time: What is it?
from New Scientist - Online News
(2011-10-10 22:38)
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Is time a river, a block, or a figment of our imagination? The essential nature of time remains the universe's greatest mystery (full text available to subscribers)
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A sumptuous feast recreated in salt
from New Scientist - Online News
(2011-10-10 22:23)
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With foods recreated in salt and a stunning coral reef crafted from sugar, artistic duo Ken and Julia Yonetani question the impact of Western indulgence
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