Engineering

A new way to make electricity using ocean waves

A team of researchers at the Chinese Academy of Sciences has developed a new way to generate electricity using ocean waves. In their paper published in the journal One Earth, the group describes how their new device works ...

Internet

Energy harvesting to power the Internet of Things

The wireless interconnection of everyday objects known as the Internet of Things depends on wireless sensor networks that need a low but constant supply of electrical energy. This can be provided by electromagnetic energy ...

Consumer & Gadgets

Convenient wireless charging for home use

A new wireless charging system can charge devices placed anywhere within a ring around it. Existing systems transfer power in a specific direction or to a specific position. By providing a donut-shaped charging field, the ...

Engineering

New method helps keep an eye on electromagnetic coils degradation

Electromagnetic coils are widely used components in many applications and systems, including solenoids, motors and transformers. However, coil insulation systems are failure-prone, especially under excessive thermal stresses, ...

Energy & Green Tech

Wireless charging—More power, smaller package

Oak Ridge National Laboratory researchers created and tested new wireless charging designs that may double the power density, resulting in a lighter weight system compared with existing technologies, while maintaining safety.

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Coil

A coil is a series of loops. A coiled coil is a structure in which the coil itself is in turn also looping.

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