Introduction

This is the ted radio hour each week, ground breaking ted talks. From those talks, we bring you speakers and ideas that will surprise you. You just don't know what you're going to find,. challenge you, wheche have to act fo ourselves like wise, and notword, and even change you. I literally feel like i'm indifferent. Fryes, do you feel that way? Ideas worth spreading from ted and n p r, i'm ane ssumerode, and i want to start the show on a mountain top in a eight thousand feet above sea level at las campanas observatory. This is oscar du halday; he's an instrument and operation specialist