David Hahn MBTI性格类型
背景
David Charles Hahn (October 30, 1976 – September 27, 2016), sometimes called the "Radioactive Boy Scout" or the "Nuclear Boy Scout", was an American man who built a homemade neutron source at the age of seventeen.
David Charles Hahn (October 30, 1976 – September 27, 2016), sometimes called the "Radioactive Boy Scout" or the "Nuclear Boy Scout", was an American man who built a homemade neutron source at the age of seventeen.
