- (ebook) Set It In Space and Shovel Coal Into It
- Titanic Disaster: New Theory Fingers Coal Fire -- ScienceDaily
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They weigh 20, tons loaded. No other land transportation system comes close. Yet the Shuttle is about microchips, microecosystems, and microgravity. The contrast between the vehicle and its contents verges on preposterous.
A century ago all eyes would've been turned on that huge traveling platform -- half as big as a football field. Now we focus on the micromeasurements made in the little space where the humans ride. Who even notices the tractor! Today's technologies create a strange trick of perspective. They cast a mantle of invisibility about the largest machines ever set down on land.
Today's vastness lies in dimensions of smallness that open up, layer under layer, when we reach down into molecules and build devices that blur into the quantum end-of-matter. The big machines hide from us behind their very immensity. I'm John Lienhard, at the University of Houston, where we're interested in the way inventive minds work. Episode tells a story from the early history of modern earth-moving equipment. Lienhard Click here for audio of Episode Families were uprooted, and some rural schools lost so many students that they struggled to stay open.
The hardship was real, and the fear and anger were, too. On May 4, less than a week after the Oxbow coal silo was blasted into rubble and grit, Donald Trump held a campaign rally at the Charleston Civic Center in West Virginia. In Poca, West Virginia, a high school team practices football near a coal-fired plant that powers nearly two million homes. On March 28, , Trump was poised to sign a sweeping executive order to begin the rollback of several Obama-era policies focused on fighting climate change.
(ebook) Set It In Space and Shovel Coal Into It
The order calls for the scrapping of the social cost of carbon, the key U. In his first two months in office, President Trump and his allies in Congress have blocked a proposed Interior Department rule designed to strengthen protection of streams from coal-mining waste. In February, Trump signed an executive order to begin replacing a new Environmental Protection Agency rule that extends Clean Water Act protections to headwater streams and wetlands. Over the past 35 years, the number of jobs in U. In the late s, when a boom in domestic natural gas production—enabled by hydraulic fracturing technology—radically reduced demand for electricity produced from coal, the long decline in employment turned into a freefall.
Some coal-fired power plants have closed in the U.
Titanic Disaster: New Theory Fingers Coal Fire -- ScienceDaily
Regulatory relief has little chance of reversing this trend, especially since Trump has also proposed to loosen regulations governing domestic oil and gas production. Amid the soot-covered stalks of last year's corn, a farmer prepares for spring near a coal-fired power plant in Shanxi Province, China. Sell on Amazon Start a Selling Account. AmazonGlobal Ship Orders Internationally. Amazon Inspire Digital Educational Resources. Amazon Rapids Fun stories for kids on the go. ComiXology Thousands of Digital Comics.
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