11/06/2012

Power from waste heat cuts costs and emissions

A new development from Siemens makes it possible for operators of electric arc furnaces to obtain electricity from hot exhaust gases. Around 20 percent of the electricity required to melt steel scrap could be recovered with ...

Scientists correct Amazon water level gauges from space

Previously, gauges used to measure changes in water level in the Amazon were not on the same reference level. This meant water levels could not be directly compared, limiting the use of the gauges in research, especially ...

China's Wuhan city covered in mysterious haze

Young and old residents of the Chinese metropolis of Wuhan were advised to stay indoors on Monday after a thick haze blanketed the city of nine million people, official media said.

Grid stability thanks to precise forecasts

A self-learning software system from Siemens can stabilize power grids. The program, which is based on neural networks, can forecast the electrical output of renewable energy sources over a 72-hour period with more than 90 ...

Hitchhiker's guide to the deep

(Phys.org) -- "Don't panic," Douglas Adams might have said. Author of the sci-fi novel Hitchhiker's Guide to the Galaxy, Adams advised "don't panic" whenever facing invaders.

Mapping volcanic heat on Io

(Phys.org) -- A new study finds that the pattern of heat coming from volcanoes on Io's surface disposes of the generally-accepted model of internal heating.  The heat pouring out of Io's hundreds of erupting volcanoes ...

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