Cool Science Radio speaks with Dennis Bushnell, Chief Scientist at NASA’s Langley Research Center. Dennis is responsible for technical oversight and advanced program formulation for many disciplines within NASA. During a 55-year career Dennis has authored over 250 publications and/or major presentations including 30 invited briefs per year to the US Intelligence Community; US, Canadian, and NATO national security organizations as well as many government and university related organizations on the futures of technology, energetics, space access, and much more.