6 Inventions That Are Older Than You Think

Discover the surprising origins of six inventions that are much older than commonly believed in this informative video. Learn about the early development of steam engines, contact lenses, voice-based biometric security, and other technological innovations that predate their assumed invention periods. Explore how these groundbreaking ideas evolved over time and gain a deeper understanding of the historical context surrounding each invention. Gain insights into the ingenuity of past inventors and how their work laid the foundation for modern technologies we use today.