Part 4/8:
A comparison ensues between different types of barium titanate-based components—a modern, waterproof device versus a traditional, heavy cylindrical ceramic unit from the 1950s. The old and new devices exhibit remarkably similar responses, indicating stability and consistency over decades of development. The speaker notes that several variations exist, including those made by Dr. Marcus Reed, which are now available on platforms like eBay, emphasizing their enduring utility.