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Small Engine For the Big Job of Testing Theory of Relativity - Universe Today
[/caption] Researchers from the European Space Agency are testing what they describe as the smallest, yet most precisely controllable engine ever built for space. Measuring 10 centimeters (4 inches) across and making a faint blue glow as it runs, the Field Emission Electric Propulsion, or FEEP, engine produces an average thrust equivalent to the force … Continue reading "Small Engine For the Big Job of Testing Theory of Relativity"