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MASSE NEGATIVE [4 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2023-10-17

English

Subject field(s)
  • Astrophysics and Cosmography
  • Space Physics
CONT

Negative mass propulsion is not a new concept. It has already been shown that [it] is theoretically possible to create a continuously propulsive effect by the juxtaposition of negative and positive masses ... and that such a scheme does not violate conservation of momentum or energy ... A crucial assumption to the success of this concept is that negative mass has negative inertia.

French

Domaine(s)
  • Astrophysique et cosmographie
  • Physique spatiale

Spanish

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Record 2 2022-01-07

English

Subject field(s)
  • Astrophysics and Cosmography
  • Space Physics

French

Domaine(s)
  • Astrophysique et cosmographie
  • Physique spatiale
CONT

L'existence d'une masse négative, ou plus précisément d'une énergie exotique avec ce type de masse, pourrait aider à expliquer certains phénomènes observés dans les étoiles à neutrons ou les trous noirs.

Spanish

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Record 3 1993-09-13

English

Subject field(s)
  • Energy Transformation
  • Thermonuclear fusion
  • Atomic Physics
DEF

An electrostatic microinstability due to a non-uniformity of the magnetic field.

OBS

If energy is fed into the azimuthal motion of a particle, it will be brought to an orbit of increasing diameter which has a longer period of revolution. Thus a force in the positive azimuthal direction produces a phase lag and azimuthal bunching of particles. The latter therefore behave as if they have negative mass, which produces a displacement in the opposite direction to an applied force.

OBS

Term standardized by ISO.

French

Domaine(s)
  • Transformation de l'énergie
  • Fusion thermonucléaire
  • Physique atomique
DEF

Micro-instabilité électrostatique due à un manque d'uniformité du champ magnétique.

OBS

Si de l'énergie est fournie au mouvement azimutal d'une particule, le diamètre de son orbite va augmenter de même que sa période de révolution. Ainsi, une force dans la direction azimutale positive produit un retard de phase et un regroupement azimutal des particules. Ces dernières se comportent comme si leur masse était négative, produisant un déplacement dans la direction opposée à la force appliquée.

OBS

Terme normalisé par l'ISO.

Spanish

Save record 3

Record 4 1976-06-19

English

Subject field(s)
  • Psychology (General)

French

Domaine(s)
  • Psychologie (Généralités)

Spanish

Save record 4

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