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Sunday, 5 January 2014
Simulated nematode? (video)
Credit: OpenWorm/Gizmag
You've heard of open software, well ... this is an open worm!
http://www.gizmag.com/openworm-nematode-roundworm-simulation-artificial-life/30296/
Video:
https://www.youtube.com/watch?v=r2OBznK6HkI&feature=youtube_gdata_player / OpenWorm project create created creating first artificial lifeform bottom-up bottom up computer model millimeter-sized millimeter sized size nemotode worm simplest known multicellular organisms organism step forward OpenWorm research researching researcher researchers complete completed simulation nematode's 302 neurons 95 muscle cells cell worm wriggling around in fine form wriggle C. elegans nemotode simplest multicellular organisms known hermaphroditism hermaphrodite hermaphroditic life form 959 cells 302 neuron neurons simple simplify simplicity nematode usual challenges challenge living feeding feed food reproduction reproduce reproducing avoid avoiding eat eaten model the complex behavior organism OpenWorm collaboration develop development developing bottom up bottom-up description describe making models model individual C. elegans cells cell cellular interactions observe observation observed functionality real world real-world nematodes realistic behavior will emerge individual cells act real organism artificial animal input-output input output models individual cells cell model muscle cell size shape relaxed mechanical properties membrane interior innards connect connected contact cell membranes reuron neurons contact structure produce following list behaviors stimulate stimulation stimulated passive active responses cells surrounding model approach homeostatic dynamic behaviors modeled complete description underlying chemical reactions reaction /
iFixit tears the 2013 Mac Pro asunder, finds an actually repairable Mac
Credit: iFixit/Ars Technica
http://arstechnica.com/apple/2013/12/ifixit-tears-the-2013-mac-pro-asunder-finds-an-actually-repairable-mac/
http://www.ifixit.com/Teardown/Mac+Pro+Late+2013+Teardown/20778?utm_medium=email&utm_campaign=Mac+Pro+Teardown+PR&utm_content=Mac+Pro+Teardown+PR+CID_833b53074cc4aa2c0712edc7265b1748&utm_source=CampaignMonitor / Apple iFixit company company's products thin customer consumers incredibly difficult end users user repair battery glued into case CPU CPUs RAM solder soldered motherboard proprietary teardown tear down connectors Mac iPhone iPad iPod iOS OSX iFixit tore new Mac Pro apart break computer down teardown accompanied high-resolution photographs pictures detailed notes found computer despite more integrated nature fair number proprietary parts part easy repair upgrade Macintosh Mac RAM easily easiest component remove replace requires require slide case case's cover push button special screwdrivers suction cups MacBooks MacBook iMacs iMac standard 1866MHz ECC DDR3 DIMMs DIMM trivial purchase upgrade your own RAM replace replacing replaced SSD simple connector proprietary drive held in place single Torx screw PCI Express SSD very similar PCIe drives 2013 MacBook Air Retina MacBook Pro display difficult remove FirePro GPUs GPU case each held four screws screw clamp proprietary PCI Express connector connects daughterboard computer main logic board CPU socket RAM slots rear panel port ports GPUs can be removed theoretically possible upgrade Apple third parties new GPUs fit into the Mac Pro's case cooled system system's single fan connect daughterboard /
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