A team of researcher is work out to build a propulsion system based on positrons to travel to Mars or other planets. Conventional propulsion system which used fuel or nuclear are not available/ effective to travel in months or years journey. Propulsion based on positron (anti-electron) is not new. It was proposed by a German engineer, Eugen Saenger, in 1953. This was the classic photon rocket, but the photons (gamma rays) had to be made to reflect in order to give thrust. Unfortunately there was no way to deflect the gamma rays, then or now.
For most people, what they have been seen in science fiction movies like star war, sunshine, etc think that its never be a real invention, impossible to achieve, but in science, everything can happen. And in my understanding like I have quote on the top of my website, human being are able to invent/create everything that they can imagine in their mind except soul.
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