Marines are normally armed with C-14 Impaler gauss rifles that fire 8mm metal "spikes" at hypersonic speeds.
By the way, if you're curious about why racemization is so much less accurate a clock than C-14 for dating a tooth's age, part of the explanation has to do with temperature.
For his second round of C-14 analysis, Levy doubled the number of samples and meticulously selected charcoal from shrubs with verifiable outer growth rings.
於是在第二輪的C-14分析中,萊維提供了兩倍的樣品數量,又細緻的選擇了來自於帶有可檢驗外層年輪的灌木木炭樣本。
Overall, C-14 analyses gave superior age-at-birth dates, but only for people whose teeth erupted after the bomb blasts, meaning individuals about 60 and younger.
Based on the dental enamel's C-14 ratio, they calculated that the victim had been born between 1955 and 1961.