Future JPL Space Engineer Posted March 25, 2015 Share Posted March 25, 2015 Antimatter (Positron or Antiproton annihilation method) annihilation propulsion systems are being researched by scientists nowadays, but I wonder could it used on Earth. Link to comment Share on other sites More sharing options...
swansont Posted March 25, 2015 Share Posted March 25, 2015 Antimatter (Positron or Antiproton annihilation method) annihilation propulsion systems are being researched by scientists nowadays They are? Who is doing it? Considering the tiny amount of antimatter we have at any one time, and the issue of converting fairly high-energy gammas into something useful for propulsion, I can't imagine anyone is close to a useful system. Link to comment Share on other sites More sharing options...
Enthalpy Posted March 25, 2015 Share Posted March 25, 2015 I've seen some papers for space probe propulsion. Nothing useable in any foreseeable future, sure. Link to comment Share on other sites More sharing options...
mathematic Posted March 25, 2015 Share Posted March 25, 2015 If anti-matter is to be used as a fuel, what would the fuel tank be made of? Link to comment Share on other sites More sharing options...
swansont Posted March 25, 2015 Share Posted March 25, 2015 If anti-matter is to be used as a fuel, what would the fuel tank be made of? Some combination of electric and magnetic field. But there are still massive problems with this, which points back to wanting to have links to this purported ongoing research. Link to comment Share on other sites More sharing options...
Sensei Posted March 26, 2015 Share Posted March 26, 2015 If anti-matter is to be used as a fuel, what would the fuel tank be made of? Devices like Penning trap http://en.wikipedia.org/wiki/Penning_trap and magnetic trap http://en.wikipedia.org/wiki/Magnetic_trap_%28atoms%29 could be used to hold it. Link to comment Share on other sites More sharing options...
Enthalpy Posted March 26, 2015 Share Posted March 26, 2015 But in what amount? Link to comment Share on other sites More sharing options...
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