The Double-Heterostructure Concept: How it Got Started with Herbert Kroemer. Silicon Photonic Integrated Circuits with John Bowers. Light, Noise, and Darkness with Amnon Yariv. “Plastic” Solar Cells with Alan Heeger. First Light: the Cosmic Microwave Background and Early Universe Physics with Eva Silverstein. Energy Awareness: Seeing Energy to Save Energy with Bill Parrish. Series: "Scientific Horizons" [Science] [Show ID: 30222]