Physics & Astronomy
fusion propulsion
100%
magnetoplasmadynamics
98%
low molecular weights
68%
rocket propellants
48%
magnetic nozzles
46%
fusion
45%
high thrust
45%
specific impulse
38%
propellants
32%
propulsion
31%
travel
28%
newton
28%
magnetohydrodynamics
27%
energy levels
22%
helium
22%
computer programs
20%
requirements
19%
configurations
15%
gases
14%
pulses
14%
Engineering & Materials Science
Molecular weight
63%
Propellants
61%
Magnetic nozzles
57%
Propulsion
51%
Plasma sources
45%
Fusion reactions
45%
Electron energy levels
32%
Magnetohydrodynamics
32%
Helium
31%
Rockets
30%
Gases
16%
Earth & Environmental Sciences
propellant
68%
magnetohydrodynamics
36%
travel
25%
thrust
24%
plasma
22%
code
21%
cold
20%
gas
14%
energy
13%
effect
6%