Driver 1), some constructed by the U.S. Space Studies Institute in order to prove their properties and practicality. Military R&D on coilguns is related, as are maglev trains. SpinLaunch, a company founded in 2014, conducted the initial test of their test accelerator in October 2021. See also Electromagnetic Aircraft Launch System Railgun Plasma railgun Helical railgun Coilgun Ram accelerator Light-gas gun Linear motor StarTram Launch loop Space fountain Spacecraft propulsion People Eric Laithwaite and the Maglifter project Gerard K. O'Neill Henry Kolm References External links Electromagnetic Guns —a page describing research into linear motors at MIT Electromagnetic Launch of Lunar Material Magnetic devices Magnetic propulsion devices Space colonization Spacecraft propulsion Non-rocket spacelaunch Emerging technologies