Cathemeral Thinking

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Friday, August 16, 2002 Comet hunting spacecraft gone missing NASA's Contour spacecraft hasn't called in since a recent manoeuvre. Read all about it in the following articles: New Spacecraft Not Responding: Scientists Lose Contact With Comet-Hunting Contour Probe http://www.washingtonpost.com/wp-dyn/articles/A24473-2002Aug15.html Hopkins scientists work to find NASA spacecraft http://www.sunspot.net/news/nationworld/bal-te.contour16aug16.story?coll=bal%2Dnationworld%2Dheadlines NASA Comet-Chasing Spacecraft Lost http://abcnews.go.com/wire/SciTech/ap20020816_426.html NASA loses contact with comet probe http://www.cbc.ca/stories/2002/08/15/probe_lost020815 NASA Loses Contact With $159M Craft http://www.chicagotribune.com/news/nationworld/sns-ap-missing-spacecraft0815aug15.story NASA searches the skies for lost Contour spacecraft http://www.bayarea.com/mld/cctimes/living/science/3875742.htm NASA loses contact with comet-tracking spacecraft http://www.dallasnews.com/sharedcontent/dallas/healthscience/stories/081502dndiscomet.92fe813e.html NASA Loses Contact with Comet-Chasing Spacecraft http://reuters.com/news_article.jhtml?type=sciencenews&;StoryID=1336390 Comet-chasing spacecraft goes silent http://www.newscientist.com/news/news.jsp?id=ns99992684 NASA Comet Probe Loses Contact http://dsc.discovery.com/news/afp/20020812/contour.html NASA's comet-chaser gets lost in space http://abc.net.au/news/scitech/2002/08/item20020816101046_1.htm Comet-Exploring Spacecraft Has Disappeared, NASA Says http://www.nytimes.com/2002/08/16/science/16COME.html NASA loses $159 millon spacecraft http://www.usatoday.com/news/science/2002-08-15-spacecraft2_x.htm   Permalink  11:54:23 AM  Your views [] Scramjet test a success! The world's first successful scramjet test has been announced by the University of Queensland in Australia. The experiment opens the possibility for engines that could take a plane from Sydney to London in a mere two hours. A July 30 launch of a Terrier Orion rocket in an outback missile range carried a scramjet (an air-breathing supersonic engine) on a ten-minute flight. The data from the test has been analysed and shows the scramjet performed as designed with speeds of Mach 7.6 (7.6 times the speed of sound) achieved. Previous attempts to launch scramjets, by both University of Queensland and NASA groups, have failed due to problems bringing the scramjet up to speed. A scramjet needs to be moving quickly to provide thrust in the first place so, in practice, it will be used in conjunction with more conventional engines. A scramjet has no moving parts and works by compressing air coming in the front of the engine, mixing in a little hydrogen and then igniting the mixture. The only by-product of the combustion is water. The UQ experiment is being done on a tiny budget compared to the NASA project, with US$0.8 million funding compared with NASA's US$125 million. Completion of a successful launch brings hope to the UQ team that they can now attract more funding as their current grants have run out and various staff have already finished with the project. Previous scramjet news [Added later] Other news coverage Scientists Say Australian Hypersonic Test a Success http://abcnews.go.com/wire/SciTech/reuters20020815_584.html Experimental jet 'a success' http://news.bbc.co.uk/1/hi/sci/tech/2196910.stm Scramjet test a success http://www.newscientist.com/news/news.jsp?id=ns99992685 Scramjet success makes history http://abc.net.au/news/scitech/2002/08/item20020816230009_1.htm Australians Say Hypersonic Flight Test a Success http://story.news.yahoo.com/news?tmpl=story2&;cid=570&ncid=753&e=7&u=/nm/20020816/sc_nm/science_australia_scramjet_dc_2 Permalink  8:33:33 AM  Your views []

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