费米实验室的天体物理学家Jason Steffen在几年前乘飞机参加会议时注意到登机流程太低效。他利用基于蒙特卡洛方法的算法建立模型，模拟各种改进登机效率的方法，如随机，让靠窗的乘客先登机，等等。他最后发现，最有效的登机方法是交替行，先让某一边靠窗的乘客入座，然后让另一边靠窗乘客入座，接着是中间行，以此类推。这种方法最小程度的减少了乘客在过道上遇到的干扰。他发现随机的登机比按区域登机要快。研究结果发布在2008年的《航空管理》上。最近他的研究因为一则模拟实验视频(YouTube)而再次引起关注。他们招募了72位志愿者模拟乘客登机进入一个波音757模拟机身，结果显示Steffen的方法能减少一半登机时间，Steffen认为如果航空公司采用这种方法将能节省大笔费用。最新研究发表在arXiv.org上。
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