Friday, August 1st TV listings for Story (KNLC8) St. Louis, MO
Modern Marvels Helicopters
Helicopters, first theorized by Leonardo da Vinci and Thomas Edison, have proven their worth in a wide array of uses.
Modern Marvels Airships
Visionaries enlarge, reinforce and motorize balloons and blimps, giving birth to the airship; 161 rigid airships are built before spectacular crashes, including the Hindenburg disaster, put an end to the era.