Business

Researchers propose a circular economy for rare-earth elements

Rare-earth elements (REEs) are found in smartphones, plasma screens and even artificial joints. As components of wind turbines or electric motors, they play an important role in the production of clean energy. The battle ...

Other

Search for missing Titanic sub like 'going into space'

Rescuers trying to find the orca-sized submersible that vanished on its way to visit the wreck of the Titanic are facing a gargantuan task that will test the limits of technical know-how—with only a very slight chance of ...

Energy & Green Tech

Turning pine needles from fire risk to renewable fuel

The flammability of pine needles, a major fire hazard in the coniferous forests of India's vast sub-Himalayan belt, makes them an abundant source of renewable energy, say researchers.

Energy & Green Tech

Video: What is marine energy?

So you have heard of solar power and wind energy, but what about their younger cousin, marine energy?

Engineering

Human-occupied submersible Alvin makes historic dive

Today, the human-occupied submersible Alvin made history when it successfully reached a depth of 6,453 meters (nearly 4 miles) in the Puerto Rico Trench, north of San Juan, P.R. This is the deepest dive ever in the 58-year ...

Engineering

Preventing the impact sound annoyance from lightweight floors

One of the biggest noise nuisances in homes arises from people simply moving around their homes. In particular, this can be quite disturbing for people living in buildings where adjoining homes have traditional wooden floors. ...

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