With a little help from baby Bud the taste neuron and his sister Ollie, the smell neuron, Nina opens up a microwave oven in her workshop to take a closer look. She then takes the children on an adventure to see something huge that uses the same technology. If you want to learn all about invisible waves and find out how to make an invisible wave bowling game, tune in to today's episode.

Originally released by BBC Worldwide Learning, 2009. Streaming video file encoded with permission for digital streaming by Infobase on September 22, 2020.