32 citations · 65 across the 9 of their papers we have counts for
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astro-ph.IM2011
Starship Sails Propelled by Cost-Optimized Directed Energy
James Benford
Microwave propelled sails are a new class of spacecraft using photon acceleration. It is the only method of interstellar flight that has no physics issues. Laboratory demonstration…
astro-ph.IM2011★ 7 cited
Costs and Difficulties of Large-Scale 'Messaging', and the Need for International Debate on Potential Risks
John Billingham, James Benford
We advocate international consultations on societal and technical issues to address the risk problem, and a moratorium on future METI transmissions until such issues are resolved.…