Data

Recent Posts

IE Questions: In Wyoming, How Much Coal Does A Miner Mine?

Screen Shot 2015-04-28 at 8.49.26 AM

Even though Wyoming has been the top coal-producing state since 1988 and its coal culture runs deep, the image of the Appalachian coal miner persists in American popular culture. Why? Perhaps because most coal miners still work in Appalachia, even though most coal comes from Wyoming. In 2012, for example, Wyoming produced about 40% of U.S. coal but employed only 8% of coal miners. Continue Reading →

Filed under: , , , , , , ,

Solar Economics Looking Sunnier, Even In Coal Country

Holly Copeland in front of the family's house and their newly-installed solar array.

Wyoming's solar potential is among the best in the nation, but even as residential rooftop solar has boomed recently in places like California, Colorado and New Jersey, it's barely made any inroads in the state. Economics and politics both play a role, but with the price of photovoltaics continuing to drop, some people are starting to ask whether momentum is building for solar in nation's largest coal-producing state. Continue Reading →

Filed under: , , , , , , ,

IE Questions: Why Is My Phone Hot?

Screenshot_2015-02-12-16-09-25

Your phone is supposed to be a phone, not a hand-warmer. So why does it, at times, feel like it could barbeque your palm? The components in your phone or tablet – the screen (which it’s easy to forget is actually powered by a tiny light bulb), the GPS, the camera, the processor – draw electricity from the battery. When they do so, they aren’t completely efficient: They always waste some energy, which is released in the form of heat. By measuring how hot your phone gets, you could figure out how inefficient its electronics are. Continue Reading →

Filed under: , , , ,