Consumer & Gadgets
The electric guitar has been a core element of popular music for much of the past century. Pickups are the components that turn vibrations from the strings into electricity for sound and can be seen as the "heart" of the ...
May 15, 2024
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Automotive
A team of researchers at Oak Ridge National Laboratory has demonstrated that a light-duty passenger electric vehicle can be wirelessly charged at 100-kW with 96% efficiency using polyphase electromagnetic coupling coils with ...
Mar 12, 2024
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Engineering
With a reasonable and effective calculation method, physicists from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences have calculated the maximum allowable offset of simultaneous position and angle ...
Sep 30, 2022
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Engineering
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 ...
Engineering
Researchers from the University of Technology Sydney (UTS) and Queensland University of Technology (QUT) have developed a new method to improve solid-state hydrogen fuel cell charging times.
Aug 12, 2022
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Internet
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 ...
Jun 13, 2022
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Consumer & Gadgets
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 ...
Mar 4, 2022
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Electronics & Semiconductors
Wireless power transfer has proven to be quite useful in electronic devices such as medical implants and smartphones. In most cases, this is done by aligning or "coupling" two separate coils of wire (transmitter Tx and receiver ...
Dec 7, 2020
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Engineering
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, ...
Jul 7, 2020
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Engineering
Anyone who has had a mammogram or an MRI knows how uncomfortable and awkward the tests can be. Now, Purdue University researchers have taken technology used in the defense and aerospace industries to create a novel way of ...
Feb 26, 2020
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