There has been NASA development of laser (photon) beamed propulsion and particle beam propulsion. Both have scattering and focusing issues at long distances.
They are looking at optimal cooling and other issues.
There is a NIAC study of having particles trapped in photon beam where the interaction could be self-focusing. It could enable a 50 GW beam to propel a 1-kilogram spacecraft to Proxima (270,000 AU – about 4 light years).
Questions related to whether any physical law is violated related to entropy.
If this works it will also improve beamed propulsion for cubesat and in solar system missions.
It would not be usable from Earth, since it would collide with the atmosphere.
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He gave the recent keynote presentation at Monte Jade event with a talk entitled the Future for You. He gave an annual update on molecular nanotechnology at Singularity University on nanotechnology, gave a TEDX talk on energy, and advises USC ASTE 527 (advanced space projects program). He has been interviewed for radio, professional organizations. podcasts and corporate events. He was recently interviewed by the radio program Steel on Steel on satellites and high altitude balloons that will track all movement in many parts of the USA.
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