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![]() | Document Date: 2005-02-12 05:00:42Open Document File Size: 110,47 KBShare Result on FacebookCityMedford / /CurrencyUSD / /FacilityTufts University / /IndustryTermweak energy condition / energy density / energy-momentum tensors / superluminal travel / travel backwards / positive-energy density / coordinate systems / negative energy density / energy-momentum tensor / energy / negative-energy density / /OrganizationTufts University / American Physical Society / Allen E. Everett Department of Physics and Astronomy / /PersonM. P. Bilaniuk / V / H. Epstein / V / Allen E. Everett / /ProvinceOrStateMassachusetts / /SocialTag |