Some reports have indicated that it was in a 4 kilometer by 8 kilometer “orbit” around the module. This is simply not possible within the laws of physics.

一些报道说，这一轨道是围绕轨道舱4到8公里的轨道，这是违反物理定律的。

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Physics Nobel laureate and U.S. energy secretary, Steven Chu, offers his thoughts on the paired challenge of climate change and clean energy in Cancun. David Biello reports

诺贝尔物理学奖得主，美国能源部长Steven Chu，在坎昆提出了他应对气候变化挑战和清洁能源的看法。

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This paper reports the progress of the project: fundamental research for application of the physics of optoelectronics on HgCdTe infrared focal plane array.

本文介绍了中科院“九五”基础性研究重大项目“碲镉汞红外焦平面光电子物理的应用基础研究”的进展情况。

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As Technology Review's Physics arXiv blog reports, they've devised a means to modify a standard 802.15.4 wireless network (commonly used by home automation services like ZigBee) to actually "see" movement through walls, and with some degree of accuracy, no less.

ENGADGET: Researchers create Amazing X-Ray Wireless Network!

And in the current issue of Applied Physics Letters, a group led by Haroun Ahmed at the Hitachi Cambridge Laboratory in Britain reports another vital step, a single-electron transistor that, for the first time, amplifies its input signal (though only by a factor of 3.7, several hundred times more weakly than a conventional transistor does).

ECONOMIST: The transistor��s heir