Batteries. The mysterious little cylinders that have powered our essentials and fun for decades. How in the world do they work? What's the chemistry that's going on inside, and how does it power our electronics? Let's find out.
Aug 27
Can water air-condition your house?
What exactly is a swamp cooler, and why can it beat the heat in Arizona but leave you sweaty and betrayed in Houston? How can an air conditioner run on water, what does humidity have to do with its effectiveness, and could an icy new invention help prevent overloaded power grids? ... Show More
31m 44s
Aug 20
What’s the dark side of air conditioning?
Could a cheaper, more environmentally friendly refrigerant already exist, and could corporate lobbying be helping keep it out of American air conditioners? Why did the chemicals once hailed as safe alternatives become environmental villains, and are their replacements actually mu ... Show More
53m 21s