When NASA prepared to land a rover on Mars, engineers turned to a design that looked more like a toy than a spacecraft.
IEEE Spectrum on MSN
Startup Using Nanotips and Naphthalene for New Satellite Thruster
It sounds like a NASA pipe dream: a new spacecraft thruster that’s up to 40 percent more power efficient than today’s. Even better, its fuel costs less than a thousandth as much and weighs an eighth ...
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