The Initial Conditions of a Pendulum

Hello readers! I would like to introduce myself as the new APS science writing intern, starting work this gloriously sunny and autumnal day in College Park. I have just landed back in the States after completing my PhD in astrophysics at the University of Cambridge across the pond. In the week since I've been back in the US, it's been bizarre to experience culture shock in my home country. The cars are so big and the people are so friendly! Please excuse any future 'British-isms' in my posts - I...