A variety of methods have been used to analyze the kinetics of various processes related to the Diet Coke and Mentos experiment (also known as the soda geyser). However, none of these previous reports has undertaken a quantitative exploration of the dynamics of the creation and collapse of the soda geyser itself. We have therefore devised a method…

Since the 1980s, the Maryland Collegiate Honors Council has offered an annual conference on a host campus in late February. In 2020, MCHC slipped in the conference just before the apocalyptic arrival of COVID-19 in March. Because this conference is hugely popular statewide, we decided to organize it virtually in 2021. Our topic--"In…

The authors present two classroom experiments on technology licensing. The first classroom experiment introduces the concept of royalty stacking. Students learn that noncooperative pricing of royalties for complementary intellectual property rights leads to a double-marginalization effect. Cooperation solves the problem and is welfare-improving.…

Over the last twenty years, education researchers have increasingly conducted randomised experiments with the goal of informing the decisions of educators and policymakers. Such experiments have generally employed broad, consequential, standardised outcome measures in the hope that this would allow decisionmakers to compare effectiveness of…

This reflective article offers an account of important lessons I have been taught as an educator in the field of global citizenship education over the last 20 years. The article highlights some of the complexities and challenges in this area, with particular attention to problematic patterns of north-south relations and to the role of education in…

This paper provides details on a classroom experiment that focuses on returns to foreign assets given uncertain future exchange rates. Students are assigned the role of foreign analysts and decide how much to invest abroad given their expectations about future exchange rates. The experiment allows students to practice calculating the returns to…

The "hole-in-the-wall" experiments of 1999, as named by the popular media, started with an Internet-connected computer being embedded in a wall facing a slum in Kalkaji, New Delhi, India. Several studies showed that groups of children, when given access to the Internet, can learn by themselves. Children's academic marks improved, and…