Lugh@futurology.todayM to Futurology@futurology.todayEnglish · 7 months agoAlthough not peer reviewed or replicated, a NASA veteran claims their Propellantless Propulsion Drive, that physics says shouldn’t work, just produced enough thrust to overcome Earth’s gravitythedebrief.orgexternal-linkmessage-square59fedilinkarrow-up1129arrow-down135cross-posted to: [email protected][email protected]
arrow-up194arrow-down1external-linkAlthough not peer reviewed or replicated, a NASA veteran claims their Propellantless Propulsion Drive, that physics says shouldn’t work, just produced enough thrust to overcome Earth’s gravitythedebrief.orgLugh@futurology.todayM to Futurology@futurology.todayEnglish · 7 months agomessage-square59fedilinkcross-posted to: [email protected][email protected]
minus-squaremacarthur_park@lemmy.worldlinkfedilinkEnglisharrow-up31·7 months agoNote that what the mythbusters looked at was a form of ion propulsion. The high voltage on the sharp boundary of the aluminum foil repels air molecules. If you put one of those in a vacuum (or space) it wouldn’t have any thrust.
minus-squarethreelonmusketeers@sh.itjust.workslinkfedilinkEnglisharrow-up3·7 months ago If you put one of those in a vacuum (or space) it wouldn’t have any thrust. IIRC, the MythBusters did exactly that later in the episode. Unsurprisdngly, the devices produced no thrust in a vacuum chamber.
Note that what the mythbusters looked at was a form of ion propulsion. The high voltage on the sharp boundary of the aluminum foil repels air molecules. If you put one of those in a vacuum (or space) it wouldn’t have any thrust.
IIRC, the MythBusters did exactly that later in the episode. Unsurprisdngly, the devices produced no thrust in a vacuum chamber.