News tagged with air current

Ice ages only thanks to feedback

Ice ages and warm periods have alternated fairly regularly in the Earth's history: the Earth's climate cools roughly every 100,000 years, with vast areas of North America, Europe and Asia being buried under ...

Aug 07, 2013
4.3 / 5 (32) 47 | with audio podcast

Gravity waves and sunglint, lake superior

From the vantage point of the International Space Station, astronauts frequently observe atmospheric and surface phenomena in ways that are impossible to view from the ground. Two such phenomena—gravity ...

Jul 23, 2013
3.5 / 5 (2) 0 | with audio podcast

Search results for air current

Study shows no lead pollution in oilsands region

New research from a world-renowned soil and water expert at the University of Alberta reveals that there's no atmospheric lead pollution in Alberta's oilsands region—a finding that contradicts current scientific ...

9 hours ago
5 / 5 (3) 0

Who owns space?

The golden age of planetary exploration had voyagers navigating new sea routes to uncharted territory. These territories were then claimed in the name of the monarchs who had financed the expeditions. All ...

8 hours ago
5 / 5 (2) 3

How to find a submarine

Das Boot, The Hunt for Red October, The Bedford Incident, We Dive At Dawn: films based on submariners' experience reflect the tense and unusual nature of undersea warfare – where it is often not how well ...

Oct 23, 2014
4.3 / 5 (3) 1

Beijing's focus on coal lost in haze of smog

The soaring, grimy chimneys of the coal-fired power station have belched the last of their choking fumes into Beijing's air, authorities say—but experts doubt the plan will ease the capital's smog.

Oct 22, 2014
5 / 5 (4) 0

List of search results for air current