25/03/2016

A wrench fends off injury, feeds the economy

The gas meters that measure energy consumption in buildings pose as great a threat to workers who service them as downed power lines do to electric utility workers. Left in place for decades, the meters are often painted ...

ExoMars mission narrowly avoids exploding booster

On March 14, the ExoMars mission successfully lifted off on a 7-month journey to the planet Mars but not without a little surprise. The Breeze-M upper booster stage, designed to give the craft its final kick toward Mars, ...

What if America's next big fuel source is its trash?

According to the U.S. Environmental Protection Agency, the United States produced 254 million tons of municipal solid waste in 2013. And though 87 million tons of that material from the landfill was diverted through recycling ...

Comet flying by Earth observed with radar and infrared

Astronomers were watching when comet P/2016 BA14 flew past Earth on March 22. At the time of its closest approach, the comet was about 2.2 million miles (3.5 million kilometers) away, making it the third closest comet flyby ...

Task allocation—computing the logistics of snow-plowing

In winter, snowfall can rapidly disrupt daily life and impact on Japan's economy. Snowplowing is a considerable annual expense, and methods for co-ordinating plowing activity are needed to ensure an efficient, cost-effective ...

Image: Alluvial fans in Saheki Crater, Mars

Alluvial fans are gently-sloping wedges of sediments deposited by flowing water. Some of the best-preserved alluvial fans on Mars are in Saheki Crater, an area that has been imaged many times previously.

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