Horizon often could be difficult for a scientific novice, requiring a modicum of background knowledge beyond the reaches of many viewers, so Q.E.D. was a more approachable way of introducing scientific stories.
Horizon often could be a heavy-going experience for a scientific novice, requiring a modicum of background knowledge beyond the reaches of many viewers, so Q.E.D. had fewer formidable-sounding words to provoke academic fear. It was a more approachable way of introducing scientific stories.