Can a sound wave travel through plastic paper/bag? How do light, sound, and radio waves travel in space if space is a void and there is not any matter for the aforementioned to travel through? How far can sound waves travel? Simply: Sound is propagated in a gas (air) and space has no air.
With resistors many think carbon comps are required for true mojo, especially as plate loads. Others discount the mojo factor completely and go with metal film as the most stable and quiet in operation. While others split the difference and use carbon film for some of the mojo with better stability and quieter operation.
A battery that lasts three times longer. Most other competing battery brands do not apply such demanding standards, or go through some of these rigorous tests. Maybe that's why Cat PHO batteries are the highest-rated batteries in cold cranking amps (CCA) and reserve capacity available.