{"stats":{"took":70,"total":16,"estimate":false,"maxScore":72.09474},"results":[{"_meta":{"score":72.09474},"copyright":{"thirdPartyPermissionsProduced":false,"disclosedToPublic":false,"containsIndication":false,"publisherPermissionOrRightsToDistribute":false,"belongsToUsGov":false,"determinationType":"GOV_PUBLIC_USE_PERMITTED","thirdPartyContentCondition":"NOT_SET","belongsToContractor":false,"disclosedInvention":false,"submissionId":20040161582,"containsThirdPartyMaterial":false,"belongsToPublisher":false,"id":"8614364d108f43309349678b14e91f75","belongsToAuthors":false},"subjectCategories":["Spacecraft Instrumentation And Astrionics"],"exportControl":{"isExportControl":"NO","submissionId":20040161582,"ear":"NO","id":"0f4be76ea9a84507bbbf790506410269","itar":"NO"},"distributionDate":"2019-07-17T00:00:00.0000000+00:00","title":"Technology Development and Demonstration Concepts for the Space Elevator","stiType":"ABSTRACT","distribution":"PUBLIC","submittedDate":"2013-08-22T04:55:00.0000000+00:00","authorAffiliations":[{"sequence":0,"submissionId":20040161582,"meta":{"author":{"name":"Smitherman, David V., Jr."},"organization":{"name":"NASA Marshall Space Flight Center","location":"Huntsville, AL, United States"}},"id":"2b13313b91304b1980930d1e8a07cfe0"}],"stiTypeDetails":"Abstract","technicalReviewType":"TECHNICAL_REVIEW_TYPE_NONE","modified":"2025-08-31T18:39:21.7150190+00:00","id":20040161582,"legacyMeta":{"__type":"LegacyMetaIndex, StrivesApi.ServiceModel","accessionNumber":""},"created":"2013-08-22T04:55:00.0000000+00:00","center":{"code":"MSFC","name":"Marshall Space Flight Center","id":"a589fc1e68af409f9d2214bb08863d11"},"onlyAbstract":true,"sensitiveInformation":2,"abstract":"During the 1990s several discoveries and advances in the development of carbon nano-tube (CNT) materials indicated that material strengths many times greater than common high-strength composite materials might be possible. Progress in the development of this material led to renewed interest in the space elevator concept for construction of a tether structure from the surface of the Earth through a geostationary orbit (GEO) and thus creating a new approach to Earth-to-orbit transportation infrastructures. To investigate this possibility the author, in 1999, managed for NASA a space elevator work:hop at the Marshall Space Flight Center to explore the potential feasibility of space elevators in the 21 century, and to identify the critical technologies and demonstration missions needed to make development of space elevators feasible. Since that time, a NASA Institute for Advanced Concepts (NIAC) funded study of the Space Elevator proposed a concept for a simpler first space elevator system using more near-term technologies. This paper will review some of the latest ideas for space elevator development, the critical technologies required, and some of the ideas proposed for demonstrating the feasibility for full-scale development of an Earth to GEO space elevator. Critical technologies include CNT composite materials, wireless power transmission, orbital object avoidance, and large-scale tether deployment and control systems. Numerous paths for technology demonstrations have been proposed utilizing ground experiments, air structures. LEO missions, the space shuttle, the international Space Station, GEO demonstration missions, demonstrations at the lunar L1 or L2 points, and other locations. In conclusion, this paper finds that the most critical technologies for an Earth to GEO space elevator include CNT composite materials development and object avoidance technologies; that lack of successful development of these technologies need not preclude continued development of space elevator systems in general; and that the critical technologies required for the Earth to GEO space elevator are not required for similar systems at the Moon, Mars, Europa, or for orbital tether systems at GEO, Luna, and other locations.","isLessonsLearned":false,"disseminated":"METADATA_ONLY","meetings":[{"country":"Canada","submissionId":20040161582,"endDate":"2004-10-08T00:00:00.0000000+00:00","name":"55th International Astronautical Congress. 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Its center of mass is in GEO such that it orbits the earth in sync with the earth s rotation. In 2004 and 2005, the NASA Marshall Space Flight Center and the Institute for Scientific Research, Inc. worked under a cooperative agreement to research the feasibility of space elevator systems, and to advance the critical technologies required for the future development of space elevators for earth to orbit transportation. The discovery of carbon nanotubes in the early 1990's was the first indication that it might be possible to develop materials strong enough to make space elevator construction feasible. This report presents an overview of some of the latest NASA sponsored research on space elevator design, and the systems and materials that will be required to make space elevator construction possible. In conclusion, the most critical technology for earth-based space elevators is the successful development of ultra high strength carbon nanotube reinforced composites for ribbon construction in the 1OOGPa range. 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Laubscher received his Ph.D. in physics in 1994 from the University of New Mexico with a concentration in astrophysics. He is currently on entrepreneurial leave from Los Alamos National Laboratory where he is a project leader and he has worked in various capacities for 16 years. His past projects include LANL's portion of the Sloan Digital Sky Survey, Magdalena Ridge Observatory and a project developing concepts and technologies for space situational awareness. Over the years Bryan has participated in research in astronomy, lidar, non-linear optics, space mission design, space-borne instrumentation design and construction, spacecraft design, novel electromagnetic detection concepts and technologies, detector/receiver system development, spectrometer development, interferometry and participated in many field experiments. Bryan led space elevator development at LANL until going on entrepreneurial leave in 2006. On entrepreneurial leave, Bryan is starting a company to build the strongest materials ever created. These materials are based upon carbon nanotubes, the strongest structures known in nature and the first material identified with sufficient strength-to-weight properties to build a space elevator.","isLessonsLearned":false,"disseminated":"DOCUMENT_AND_METADATA","meetings":[{"country":"United States","submissionId":20070008275,"endDate":"2006-08-18T00:00:00.0000000+00:00","name":"Next Generation Exploration Conference","location":"Moffett Field, CA","id":"baf439e5b3e04a4fa01ecae7e7477b57","startDate":"2006-08-16T00:00:00.0000000+00:00"}],"publications":[{"submissionId":20070008275,"id":"13be8a4c454e447a92e95179ff546be5","publicationName":"Proceedings of the Next Generation Exploration Conference","publicationDate":"2006-10-01T00:00:00.0000000+00:00"}],"status":"CURATED","related":[{"disseminated":"DOCUMENT_AND_METADATA","id":20070008265,"type":"ANALYTIC_PRIMARY","title":"Proceedings of the Next Generation Exploration Conference","stiType":"CONFERENCE_PROCEEDINGS","distribution":"PUBLIC","status":"CURATED"},{"disseminated":"DOCUMENT_AND_METADATA","id":20070008265,"type":"ANALYTIC_PRIMARY","title":"Proceedings of the Next Generation Exploration Conference","stiType":"CONFERENCE_PROCEEDINGS","distribution":"PUBLIC","status":"CURATED"}],"downloads":[{"draft":false,"mimetype":"application/pdf","name":"20070008275.pdf","type":"STI","links":{"original":"/api/citations/20070008275/downloads/20070008275.pdf","pdf":"/api/citations/20070008275/downloads/20070008275.pdf","fulltext":"/api/citations/20070008275/downloads/20070008275.txt"}}],"downloadsAvailable":true,"index":"submissions-2026-09-11-00-35"},{"_meta":{"score":63.25131},"copyright":{"thirdPartyPermissionsProduced":false,"disclosedToPublic":false,"containsIndication":false,"publisherPermissionOrRightsToDistribute":false,"belongsToUsGov":false,"determinationType":"GOV_PUBLIC_USE_PERMITTED","thirdPartyContentCondition":"NOT_SET","belongsToContractor":false,"disclosedInvention":false,"submissionId":19860018182,"containsThirdPartyMaterial":false,"belongsToPublisher":false,"id":"bdfba499523e4c63b3618d148bfee39f","belongsToAuthors":false},"subjectCategories":["Mechanical Engineering"],"exportControl":{"isExportControl":"NO","submissionId":19860018182,"ear":"NO","id":"d34ccd5f1af54f9ba1c87ea212413957","itar":"NO"},"distributionDate":"2011-09-08T00:00:00.0000000+00:00","title":"Tether pointing platform and space elevator mechanisms analysis of the key concepts for SATP and scaled SATP","stiType":"CONFERENCE_PAPER","distribution":"PUBLIC","submittedDate":"2013-08-12T18:07:00.0000000+00:00","authorAffiliations":[{"sequence":0,"submissionId":19860018182,"meta":{"author":{"name":"Turci, E."},"organization":{"name":"Aeritalia S.p.A.","location":"Turin, Italy"}},"id":"5657de442d92475d9f6a6a9b6c801798"}],"stiTypeDetails":"Conference Paper","technicalReviewType":"TECHNICAL_REVIEW_TYPE_NONE","modified":"2025-08-31T18:39:21.7150190+00:00","id":19860018182,"legacyMeta":{"__type":"LegacyMetaIndex, StrivesApi.ServiceModel","accessionNumber":"86N27654"},"created":"2013-08-12T18:07:00.0000000+00:00","center":{"code":"CDMS","name":"Legacy CDMS","id":"092d6e0881874968859b972d39a888dc"},"onlyAbstract":false,"sensitiveInformation":2,"abstract":"The key concepts for a scaled and full model Science and Applications Tethered Platform (SATP) are analysized. This includes a tether pointing platform and a space elevator. The mechanism concepts and technological solutions are given. The idea of the tether pointing platform mechanism is to control and stabilize the attitude of a platform by means of a movable tether. The idea of the space elevator mechanism for a scaled SATP is to drag the tether gripping it between two rotating wheels.","isLessonsLearned":false,"disseminated":"METADATA_ONLY","publications":[{"submissionId":19860018182,"id":"2699e6a2df724b209f24a045810fd2eb","publicationName":"NASA, Washington Applications of Tethers in Space: Workshop Proceedings, Vol. 2","publicationDate":"1986-06-01T00:00:00.0000000+00:00"}],"status":"CURATED","related":[],"downloads":[],"downloadsAvailable":true,"index":"submissions-2026-09-11-00-35"},{"_meta":{"score":58.998398},"copyright":{"thirdPartyPermissionsProduced":false,"disclosedToPublic":false,"containsIndication":false,"publisherPermissionOrRightsToDistribute":false,"belongsToUsGov":false,"determinationType":"PUBLIC_USE_PERMITTED","thirdPartyContentCondition":"NOT_SET","belongsToContractor":false,"disclosedInvention":false,"submissionId":20000105202,"containsThirdPartyMaterial":false,"belongsToPublisher":false,"id":"267ba1a754584f37bbdcf4067f997e9f","belongsToAuthors":false},"subjectCategories":["Space Transportation And Safety"],"exportControl":{"isExportControl":"NO","submissionId":20000105202,"ear":"NO","id":"3bd8c14c60b841458b0e0b04ff38df3a","itar":"NO"},"distributionDate":"2019-07-12T00:00:00.0000000+00:00","otherReportNumbers":["AIAA Paper 2000-5294","Report Number: AIAA Paper 2000-5294"],"title":"Space Elevators: Building a Permanent Bridge for Space Exploration and Economic Development","stiType":"PREPRINT","distribution":"PUBLIC","submittedDate":"2013-09-07T12:20:00.0000000+00:00","authorAffiliations":[{"sequence":0,"submissionId":20000105202,"meta":{"author":{"name":"Smitherman, David V., Jr."},"organization":{"name":"NASA Marshall Space Flight Center","location":"Huntsville, AL United States"}},"id":"f5205cfa8de8421a9f131b257e693bb4"},{"sequence":1,"submissionId":20000105202,"meta":{"author":{"name":"Howell, Joe T."},"organization":{}},"id":"13081b2a678341f1bedab30235f42d5a"}],"stiTypeDetails":"Preprint (Draft being sent to journal)","technicalReviewType":"TECHNICAL_REVIEW_TYPE_NONE","modified":"2025-08-31T18:39:21.7150190+00:00","id":20000105202,"legacyMeta":{"__type":"LegacyMetaIndex, StrivesApi.ServiceModel","accessionNumber":""},"created":"2013-09-07T12:20:00.0000000+00:00","center":{"code":"MSFC","name":"Marshall Space Flight Center","id":"a589fc1e68af409f9d2214bb08863d11"},"onlyAbstract":false,"sensitiveInformation":2,"abstract":"A space elevator is a physical connection from the surface of the Earth to a geo-stationary orbit above the Earth approximately 35,786 km in altitude. Its center of mass is at the geo-stationary point such that it has a 24-hour orbit, and stays over the same point above the equator as the Earth rotates on its axis. The structure is utilized as a transportation and utility system for moving payloads, power, and gases between the surface of the Earth and space. It makes the physical connection from Earth to space in the same way a bridge connects two cities across a body of' water. The space elevator may be an important concept for the future development of space in the latter part of the 21th century. It has the potential to provide mass-transportation to space in the same way highways, railroads, power lines, and pipelines provide mass-transportation across the Earth's surface. The low energy requirements for moving payloads up and down the elevator make it one of only a few concepts that has the potential of lowering the cost to orbit to less than $10 per kilogram. This paper will summarize the findings from a 1999 NASA workshop on Space Elevators held at the NASA Marshall Space Flight Center (MSFC). The workshop was sponsored by the Advanced Projects Office in the Flight Projects Directorate at MSFC, and was organized in cooperation with the Advanced Space Transportation Program at MSFC and the Advanced Concepts Office in the Office of Space Flight at NASA Headquarters. New concepts will be examined for space elevator construction and a number of issues will be discussed that has helped to bring the space elevator concept out of the realm of science fiction and into the realm of possibility. In conclusion, it appears that the space elevator concept may well he possible in the latter part of the 21st century if proper planning and technology development is emphasized to resolve key issues in the development of this advanced space infrastructure concept.","isLessonsLearned":false,"disseminated":"DOCUMENT_AND_METADATA","publications":[{"submissionId":20000105202,"publisher":"American Institute of Aeronautics and Astronautics","id":"2cae07bcc1a04cea8047a78f171c939a","publicationDate":"2000-01-01T00:00:00.0000000+00:00"}],"status":"CURATED","related":[],"downloads":[{"draft":false,"mimetype":"application/pdf","name":"20000105202.pdf","type":"STI","links":{"original":"/api/citations/20000105202/downloads/20000105202.pdf","pdf":"/api/citations/20000105202/downloads/20000105202.pdf","fulltext":"/api/citations/20000105202/downloads/20000105202.txt"}}],"downloadsAvailable":true,"index":"submissions-2026-09-11-00-35"},{"_meta":{"score":52.681705},"copyright":{"thirdPartyPermissionsProduced":false,"disclosedToPublic":false,"containsIndication":false,"publisherPermissionOrRightsToDistribute":false,"belongsToUsGov":false,"determinationType":"GOV_PUBLIC_USE_PERMITTED","thirdPartyContentCondition":"NOT_SET","belongsToContractor":false,"disclosedInvention":false,"submissionId":20020033946,"containsThirdPartyMaterial":false,"belongsToPublisher":false,"id":"4d9d072805f84342bee78171f33ba51a","belongsToAuthors":false},"subjectCategories":["Spacecraft Design, Testing And Performance"],"exportControl":{"isExportControl":"NO","submissionId":20020033946,"ear":"NO","id":"e859672825ab4f64a675ed579e7eccd1","itar":"NO"},"distributionDate":"2019-07-12T00:00:00.0000000+00:00","fundingNumbers":[{"number":"NASA Order H-33235-D","submissionId":20020033946,"id":"aeb15c0837f141e8a9869dcf9042820d","type":"CONTRACT_GRANT"}],"title":"Tether Impact Rate Simulation and Prediction with Orbiting Satellites","stiType":"CONTRACTOR_OR_GRANTEE_REPORT","distribution":"PUBLIC","submittedDate":"2013-09-07T12:41:00.0000000+00:00","authorAffiliations":[{"sequence":0,"submissionId":20020033946,"meta":{"author":{"name":"Harrison, Jim"},"organization":{"name":"Alpha Technology","location":"Huntsville, AL United States"}},"id":"cbe6bc9aa6644f939967a3962a5d584b"}],"stiTypeDetails":"Contractor or Grantee Report","technicalReviewType":"TECHNICAL_REVIEW_TYPE_NONE","modified":"2025-08-31T18:39:21.7150190+00:00","id":20020033946,"legacyMeta":{"__type":"LegacyMetaIndex, StrivesApi.ServiceModel","accessionNumber":""},"created":"2013-09-07T12:41:00.0000000+00:00","center":{"code":"MSFC","name":"Marshall Space Flight Center","id":"a589fc1e68af409f9d2214bb08863d11"},"onlyAbstract":false,"sensitiveInformation":2,"abstract":"Space elevators and other large space structures have been studied and proposed as worthwhile by futuristic space planners for at least a couple of decades. In June 1999 the Marshall Space Flight Center sponsored a Space Elevator workshop in Huntsville, Alabama, to bring together technical experts and advanced planners to discuss the current status and to define the magnitude of the technical and programmatic problems connected with the development of these massive space systems. One obvious problem that was identified, although not for the first time, were the collision probabilities between space elevators and orbital debris. Debate and uncertainty presently exist about the extent of the threat to these large structures, one in this study as large in size as a space elevator. We have tentatively concluded that orbital debris although a major concern not sufficient justification to curtail the study and development of futuristic new millennium concepts like the space elevators.","isLessonsLearned":false,"disseminated":"DOCUMENT_AND_METADATA","publications":[{"submissionId":20020033946,"id":"8e0f0809690a45458b13b6ba55c96d91","publicationDate":"2002-03-07T00:00:00.0000000+00:00"}],"status":"CURATED","related":[],"downloads":[{"draft":false,"mimetype":"application/pdf","name":"20020033946.pdf","type":"STI","links":{"original":"/api/citations/20020033946/downloads/20020033946.pdf","pdf":"/api/citations/20020033946/downloads/20020033946.pdf","fulltext":"/api/citations/20020033946/downloads/20020033946.txt"}}],"downloadsAvailable":true,"index":"submissions-2026-09-11-00-35"},{"_meta":{"score":49.92261},"copyright":{"thirdPartyPermissionsProduced":false,"disclosedToPublic":false,"containsIndication":false,"publisherPermissionOrRightsToDistribute":false,"belongsToUsGov":false,"determinationType":"GOV_PUBLIC_USE_PERMITTED","thirdPartyContentCondition":"NOT_SET","belongsToContractor":false,"disclosedInvention":false,"submissionId":20000033616,"containsThirdPartyMaterial":false,"belongsToPublisher":false,"id":"0505583d38f944b2bccac69c63590b8c","belongsToAuthors":false},"subjectCategories":["Space Transportation And Safety"],"exportControl":{"isExportControl":"NO","submissionId":20000033616,"ear":"NO","id":"40e71c85044a4d86afa8b464833c5309","itar":"NO"},"distributionDate":"2019-07-12T00:00:00.0000000+00:00","title":"Space Transportation in the New Millennium","stiType":"PREPRINT","distribution":"PUBLIC","submittedDate":"2013-09-07T12:57:00.0000000+00:00","authorAffiliations":[{"sequence":0,"submissionId":20000033616,"meta":{"author":{"name":"McGill, Preston"},"organization":{"name":"NASA Marshall Space Flight Center","location":"Huntsville, AL United States"}},"id":"cf87cad639384dc0be5f0a8dafd50e07"}],"stiTypeDetails":"Preprint (Draft being sent to journal)","technicalReviewType":"TECHNICAL_REVIEW_TYPE_NONE","modified":"2025-08-31T18:39:21.7150190+00:00","id":20000033616,"legacyMeta":{"__type":"LegacyMetaIndex, StrivesApi.ServiceModel","accessionNumber":""},"created":"2013-09-07T12:57:00.0000000+00:00","center":{"code":"MSFC","name":"Marshall Space Flight Center","id":"a589fc1e68af409f9d2214bb08863d11"},"onlyAbstract":false,"sensitiveInformation":2,"abstract":"This paper presents viewgraphs of Space Transportation in the New Millennium. 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