Ep 20. Doors

Doors have been an essential part of human civilization since the very beginning. From the humble cave entrances to the sophisticated entrance of the Burj Khalifa, doors have always been used for privacy, security, and aesthetics. In this episode of Modern Marvels, we take a closer look at doors and their evolution over time.

We start by exploring the various types of doors and their uses. Doors come in many shapes and sizes, from the traditional hinge doors to sliding doors, folding doors, revolving doors, and many more. Each type of door serves a specific purpose, depending on the place it is installed. We see how doors are used in homes, offices, hospitals, airplanes, and even underwater submarines.

Next, we delve into the history of doors and how they have evolved over time. We learn how the ancient Egyptian and Greek civilizations used doors in their architecture, and how the Romans developed the pivot hinge that made doors more comfortable. We also see how the medieval period saw the rise of doors that were not just functional but also decorative, with intricate carvings and designs.

Moving on, we look at how doors are made today. We visit a door factory and witness the various stages of the door-making process. We see how doors are designed, cut, shaped, sanded, painted, and assembled with precision and care. We also observe how technology has played a significant role in door manufacturing, with computer-aided designs and robotics making the process faster and more efficient.

In the next segment, we explore the future of doors and how they might change in the coming years. We see how researchers are experimenting with shape-memory alloys to create doors that can change shape and adapt to different environments. We also learn how smart doors, equipped with sensors and cameras, can enhance security and privacy in homes and offices. We see how doors can even be made from eco-friendly materials, contributing to a sustainable future.

Finally, we look at some of the famous doors around the world and their cultural significance. We visit the Forbidden City in Beijing, China, and see how the doors there are not just functional but also works of art. We also visit the St. Peter's Basilica in Rome, Italy, and admire the massive bronze doors created by the renowned artist Lorenzo Ghiberti. We see how doors have been used as symbols of power, authority, and prestige in many cultures throughout history.

Overall, this episode of Modern Marvels offers a fascinating insight into the world of doors. We learn how doors have evolved from simple constructions to complex and sophisticated mechanisms, and how they continue to serve essential functions in our daily lives. Whether we are opening the door to our home or stepping through the entrance of a skyscraper, the humble door remains an essential part of our civilization.