Vanderbilt University scientist Michael Goldfarb came up with an alternative power source: rocket propellant.

Vanderbilt大学的科学家Michael Goldfarb带给公众一种可选的能量来源：火箭助推燃料。

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Neo-conservative Michael Goldfarb, who worked for John McCain during the presidential election, hails his former opponent in the Weekly Standard.

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"It's a good, positive step, " said Michael Goldfarb, a former FAA chief of staff who now heads a consulting business in Washington.

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Michael Goldfarb is a former London bureau chief for National Public Radio.

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