>For all of us who have speculated about this in this thread, the article in Nature is available at http://www.nature.com/cgi-taf/DynaPage.taf?file=/nature/journal/v406/n6793/abs/406277a0_fs.html
>
>>Folks,
>>
>>Thought you might find this interesting: http://biz.yahoo.com/prnews/000719/nj_nec_sup.html
>>
>>Best,
>>
>>DD

After reading this, it does appear that what we all took to be a typo is in fact the reported results. The pulse exits occurs before it enters.

Fascinating!