October 1, 1999

Invisible Worlds

Stories of people who are trying to make invisible worlds visible, and what happens when you make them visible.


There are thousands of voices passing through your body right now on radio waves—signals from cellular phones and cordless phones, military transmissions and baby monitors. You're not supposed to listen in on these. Someone explains why he does anyway. (4 minutes)
Act One

Faster Than A Speeding Bullet

Producer Alex Blumberg with people who listen in on the invisible world on the nether reaches of the radio spectrum, mostly illegally...and what they find there. (14 minutes)

Act Four

Act Four

Producer Nancy Updike tells the story of scientists who simply made up an invisible, weightless subatomic particle called the neutrino. Then they set out on the task of finding it, using tools that sound positively crude: A mineshaft and 100,000 gallons of dry cleaning fluid. (9 minutes)