Spliced feed for The Science Network

Cellular View [SciScoop Science Blog] Posted: What seem at first sight to be pictures of planets or other cosmic structures actually turn out to be microscope images of balls of human kidney cells.

Solar pumped laser reaches 80W [yan.me/me] Posted: 23 Oct 2008 09:56 AM CDT A new report from Prof. Takashi Yabe: 100 W-class solar pumped laser for sustainable magnesium-hydrogen energy cycle, J. Appl. Phys. 104, 083104 (2008). They used a Fresnel lens (2×2 m, f=2000 mm) for collecting solar radiation, a Cr:Nd: YAG ceramic rod as gain medium, and get 80 W maximum laser power, corresponding to a 4.3% net conversion from solar light. That’s really a cool result. I always say to my colleagues that solar pumped laser is my dream research project, because then I can do experiments under sunshine instead of in a basement lab. ;)

Sleep refreshes brain's synapses, says researcher [Earth & Sky Podcast] Posted: 23 Oct 2008 04:10 AM CDT Chiara Cirelli is working to understand the function of sleep. She believes we need sleep to refresh our synapses, which connect brain cells. This posting includes an audio/video/photo media file: Download Now

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