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propulsion
About this tag
Discussions on the propulsion tag cover a range of advanced and experimental propulsion concepts, including near-light-speed engine designs from NASA, SpaceX's Starship development, ion engine technology, and auxiliary wind propulsion systems for ships. Topics also touch on nuclear-related propulsion science, as seen in references to a senior propulsion scientist discussing Mars. These threads explore both theoretical and practical propulsion methods, from space travel to fuel-saving innovations for maritime vessels.
The blue-hulled vessel would slip by unnoticed on most seas if not for the white kite, high above her prow, towing her to what its creators hope will be a bright, wind-efficient future.
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Close-up of a SkySails towing kite as it propels the cargo ship MV...
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Ever wonder why the red planet is red?
About 180 million years ago, a planet-shattering yet naturally occurring nuclear reaction may have wiped out everything on Mars, sending a shockwave that turned the planet into dry sand.
Even more incredible: A natural nuclear...
astrobiology
astronomy
debris
dr. john brandenburg
earth
explosion
gamma rays
hotspot
mare acidalium
mars
natural reaction
nuclear
planet
propulsion
radioactivity
radioisotopes
research
sand
space science