Ep 9. Making Stuff: Stronger

In the ninth episode of season 38 of NOVA, titled "Making Stuff: Stronger," viewers are introduced to the fascinating world of material science and engineering. Hosted by David Pogue, this episode explores the cutting-edge research and technology that is being used to create materials that are stronger, more durable, and more resilient than ever before.

Through a series of experiments, demonstrations, and interviews with leading scientists and engineers, viewers are given a front row seat to the latest advancements in material science. From bio-inspired composites and super-strong glass to self-healing concrete and futuristic metals, this episode of NOVA covers it all.

The episode begins with a look at the incredible strength of spider silk. Pound for pound, spider silk is stronger than steel, and scientists are now working to create synthetic versions of this material for use in a variety of applications. Viewers are taken to the lab where scientists are analyzing the molecular structure of spider silk and developing methods for recreating it on a larger scale.

Next, the episode explores the world of composites. By combining different materials into a single structure, engineers are able to create materials that are stronger and more durable than any individual component. Viewers learn about the various types of composites that are being used today, including carbon fiber and Kevlar.

Another fascinating area of research that is explored in this episode is self-healing materials. These materials are able to repair themselves when damaged, much like a biological organism. Viewers are introduced to a number of different self-healing materials, including concrete that can repair cracks on its own and a cell phone screen that can heal scratches.

The episode also covers the development of super-strong glass. Today's modern glass is incredibly strong, but scientists are working to create glass that can withstand even more extreme conditions. Viewers are given a behind-the-scenes look at the manufacturing process for advanced glass, including the use of lasers and other high-tech tools.

Finally, the episode explores the fascinating world of metals. Engineers are using advanced techniques to create metals that are stronger and lighter than ever before. Viewers are introduced to a variety of futuristic metals, including a material that is so light it can float on water and a metal foam that can absorb impact like a sponge.

Throughout the episode, host David Pogue provides expert analysis and commentary, breaking down the science and technology behind each new material. With stunning visuals and informative interviews, "Making Stuff: Stronger" is a must-see episode for anyone interested in the latest advancements in material science and engineering.