Top Around The World

How It's Made - Crop-dusters Crop dusters are airplanes Specially outfitted for aerial spraying. Farmers use them to seed fields And apply pesticides and fertilizer. The aquaculture industry uses them to feed fish, And emergency crews fly them to spread retardant on forest fires And dispersants on oil spills. Depending on its size, A crop duster can carry up to 2,700 liters Of liquid or dry material. The plane is designed to be able to swoop down low To accurately cover the target spray area. At the factory, they manually weld Lightweight aircraft-grade steel tubes To construct the frame of the fuselage. Next they use spring-loaded fasteners To affix aluminum panels to the sides. An anti-rust coating turns the aluminum golden color. All the plane's aluminum parts require this coating, Because many of the chemicals crop dusters carry Are corrosive. The tank that holds those chemicals is called a hopper. The factory molds it out of many layers of fiberglass, Which is deliberat...

How It's Made - Corn Whiskey More than three centuries ago, American bootleggers made corn whiskey by moonlight To avoid being detected  by the tax authorities, And so this whiskey became known as moonshine. Today, that whiskey has  emerged from the shadows of history And is produced legally, but people still call it moonshine. It was the nectar of outlaws -- Clear, fresh corn whiskey that's 50% alcohol, And centuries later, it still has a potent appeal. In Virginia, They still make this whiskey the traditional way, Allowing corn to germinate in a process called malting. They mix a small amount of the malted kernels With regular corn in a big tank, Then funnel the mix into a mill. Inside this mill, automated hammers grind the mix To a cornmeal consistency. This frees some of the starch And exposes it to enzymes from the malted kernels. Those enzymes convert the starch to sugar. They'll use some of this ground corn To make a big batch of yeast. They add it to water in a ta...