Making geothermal more productive

University of Utah researchers will inject cool water and pressurized water into a "dry" geothermal well during a five-year, $10.2 million study aimed at boosting the productivity of geothermal power plants and making them ...

Purifying water with the help of wood, bacteria and the sun

According to the United Nations, about one-fifth of the world's population lives in areas where water is scarce. Therefore, technologies to produce clean water from undrinkable sources, such as seawater, river or lake water, ...

New Zealand volcano lets off steam

A volcano off New Zealand sent a plume of steam two kilometres (1.24 miles) into the air Tuesday, although volcanologists described the eruption as small and said it was over in minutes.

Faster, cleaner, less expensive method of dry cleaning

The most commonly used chemical in the dry cleaning industry is a solvent called perchloroethylene, or PERC. The Environmental Protection Agency has classified the chemical as a likely carcinogen, and the U.S. Occupational ...

Philippine volcano calming; thousands head home

(AP) -- Thousands of villagers evacuated from near the Philippines' most active volcano headed home Saturday after scientists said the rumbling mountain was showing signs it was calming down.

Steam train X-rayed for first time

(PhysOrg.com) -- A steam locomotive has been X-rayed by an innovative new mobile X-ray unit used for scanning cargo and vehicles for criminal activity.

Steam of hot flue gases saves energy at steel mills

A new solution from Siemens takes advantage of hot flue gases from arc furnaces to generate steam. This steam can then be used for other steel mill processes or for generating electricity. In the past, flue gases were usually ...

Whither the teakettle whistle: Breakthrough in breakfast musings

Despite decades of brewing tea in a whistling kettle, the source and mechanism of this siren sound of comfort has never been fully described scientifically. Acknowledging the vibrations made by the build-up of steam escaping ...

Taking the heat: Navy tests new submarine steam suits

Machinist's Mate 1st Class Nathan Lindner was testing the newest suit designed to protect Sailors from steam leaks on nuclear-powered submarines. He pulled on thick gloves and boots, and donned a face shield for a self-contained ...

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