Criticisms of VASIMR
Robert Zubrin is critical of the VASIMR claiming that it is less efficient than other electric based thrusters which are now operational. Zubrin also believes that electric propulsion is not necessary to get to Mars and therefore budgets should not be assigned to develop it. His second point of criticism concentrates on the lack of a suitable power source. Ad Astra subsequently responded to the criticism.
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—William James (1842–1910)
“The sway of alcohol over mankind is unquestionably due to its power to stimulate the mystical faculties of human nature, usually crushed to earth by the cold facts and dry criticisms of the sober hour. Sobriety diminishes, discriminates, and says no; drunkenness expands, unites, and says yes.”
—William James (1842–1910)