abstract:Lalli is an apocryphal character from Finnish history. According to legend, he killed Bishop Henry on the ice of lake Köyliönjärvi in Finland on January 20, 1156.
Rick Claus, an electrical engineer at the Virginia Polytechnic Institute in Blacksburg, Virginia, and Jennifer Lalli, a polymer chemist at NanoSonic, a spin-out from Virginia Tech, believe they have solved this problem.