He can be reached at gordon@math.kent.edu. Uday G. Hegde is a research professor at Case Western Reserve University with the Department of Mechanical and Aerospace Engineering, providing full-time support to the microgravity combustion science program at NASA's Glenn Research Center. He can be reached at uday.g.hegde@nasa.gov. Michael C. Hicks is a combustion scientist at NASA's Glenn Research Center. He can be reached at michael.c.hicks@nasa.gov.