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We have built roads ; we have electrified the countryside - - 85 percent of the homes currently have electricity and in 1990 , it will be 90 percent . In 1973 , it was not clear that these new ideas could ever be tested . Since 1997 , it has recognized worldwide academic and professional programs for their innovation and excellence in education , and their value to the document communications industry . But after Frege 's death in 1925 , it was discovered that the modified system still led to contradiction and still later it emerged that many of the proofs of Volume 1 were flawed . Although VoBB was mainly used to provide secondary line services at the end of 2004 , it will increasingly be used as the primary line during the forecast period , as full unbundling becomes more common and cable operators embrace VoBB services to complete their triple-play bundle . After being launched by the space shuttle in 1990 , it had some problems focusing with its mirrors , which was subsequently repaired . In 1990 , it is estimated that just over 2 percent of U.S. children ( about 1.4 million ) lived in a relative 's household without a parent present . Founded in 1973 , it grew out of the city 's 200-year-old teacher training college . " While the Congress made a significant first step in passing this legislation in 1990 , it served only as a declaration of policy . Begun in 1973 , it lists all scientific names - more than 62 000 - used for Australian vascular plants in the literature . When the Endangered Species Act was passed in 1973 , it reflected America = s concern about the decline of species around the world . When the species act was passed in 1973 , it was a bipartisan effort to save animals truly on the brink of extinction .