Energy

Sodium Gives Rechargeable Batteries a Boost

Sodium Gives Rechargeable Batteries a Boost

Lithium ion batteries can be recharged hundreds of times and work well, but lithium is expensive. Researchers at Michigan Technological University have found an effective and virtually inexhaustible substitute for lithium. They believe sodium could…

Cultivation Key to Saving the Baltic Sea

Cultivation Key to Saving the Baltic Sea

The Baltic Sea is one of the most-studied, most-unique and most-threatened seas in the world. Marine biologists have been exploring new ways of utilizing the Baltic Sea’s resources to protect its ecosystem. Their findings can…

Carbon Nanotubes Look to Sideline Silicon

Carbon Nanotubes Look to Sideline Silicon

For decades, the transistors in computer chips have been based on silicon. These transistors control the electricity flow in computer microchips and have been getting smaller and smaller over time. But engineers are quickly approaching…