Discover the best answers at Westonci.ca, where experts share their insights and knowledge with you. Get immediate and reliable solutions to your questions from a knowledgeable community of professionals on our platform. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

6. why do the elements in the tubes have to have high voltage electricity run through them before the colored light is emitted? in other words, why don't the cold, un-energized tubes glow?