How does two conservators walk into a bar sound?

In an article in the April 6, 2018 issue of Science magazine about the then forthcoming second annual “March for Science” (on April 14th), Jeffrey Mervis mentions a number of outreach activities that were developed after the first march. Among them is the Fleet Science Center’s attempt to demystify science with “Two Scientists Walk Into a bar” . In this program, pairs of scientists speak to patrons in San Diego bars for two hours about whatever topics the patrons bring up. How does two conservators walk into a bar sound ?