This Broadcast
Modern Marvels
4:00 pm - 5:00 pm Friday, August 14
Helicopters
Season 4 · Episode 8
Chronicling the evolution of the helicopter, which appeared in Chinese text as early as the 4th century, and was sketched by Leonardo da Vinci in 1483. Also: 20th-century prototypes; and the helicopter's increased use in combat during the Vietnam War.
Save this broadcast
Add this broadcast to your guide so it is easy to find again.
More information
Open trusted sources for more background on Modern Marvels.
Plan Ahead
Before / After
Jump to the broadcast scheduled just before or after this one.