He took a deep breath.

"But we'll be ready for it then!"


CHAPTER SIX

"If we can get television reception with this apparatus of ours," asked Greg, "what is to prevent us from televising? Why can't we send as well as receive?"

Russ drew doodles on a calculation sheet. "We could. Just something else to work out. You must remember we're working in a four-dimensional medium. That would complicate matters a little. Not like working in three dimensions alone. It would ..."

He stopped. The pencil fell from his finger and he swung around slowly to face Manning.

"What's the matter now?" asked Greg.

"Look," said Russ excitedly. "We're working in four dimensions. And if we televised through four dimensions, what would we get?"