The two astronauts were tasked with replacing one of the two 'hands' on the end of Canadarm2 known as latching end effectors (LEEs), because the old one (LEE-A) had suffered from wear and tear. Astronauts Scott Tingle and Mark Vande Hei, crewmembers of the Expedition 54 aboard the International Space Station (ISS), spent about 6.5 hours outside the space station. Photoshop cs4 crack tpb Two NASA astronauts conducted the first spacewalk of the year while working on a robotic arm. Abstract BayesiaLab, from Bayesia gives you a complete laboratory for manipulating Bayesian networks: develop your decision models through expertise and/or automatically from your data. Category Intelligent Software>Bayesian Network Systems/Tools and Intelligent Software>Data Mining Systems/Tools.