Engineering
New technology is making it possible to control valves and locking devices without the need for any additional sensors. A metal piston, a tiny chip and small pulses of current—that's all that the drive systems specialists ...
Apr 5, 2023
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9
Engineering
Wherever electric motors or electromagnets are too large or too heavy to be incorporated into a technical component, the novel drive mechanisms being developed by a research team led by Professors Stefan Seelecke and Paul ...
Apr 5, 2023
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32
Robotics
Artificial muscles and nerves made from the shape memory alloy nickel-titanium are making robot arms as supple and agile as their animal counterparts. But these artificial limbs also weigh less, will work tirelessly and can ...
Apr 4, 2023
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8
Energy & Green Tech
Lithium-ion batteries are used not only for small consumer electronics like cell phones and laptops, but also for electric bicycles, electric vehicles and long-term power storage. Though a rare occurrence, lithium-ion batteries ...
Apr 4, 2023
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10
Engineering
Superconductors make highly efficient electronics, but the ultralow temperatures and ultrahigh pressures required to make them work are costly and difficult to implement. Room-temperature superconductors promise to change ...
Mar 28, 2023
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5
Electronics & Semiconductors
The transformative changes brought by deep learning and artificial intelligence are accompanied by immense costs. For example, OpenAI's ChatGPT algorithm costs at least $100,000 every day to operate. This could be reduced ...
Mar 28, 2023
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315
Engineering
Two-dimensional materials are expected to revolutionize the semiconductor industry. However, despite multiple studies that have reported prototype devices with promising properties for sensing and driving electrical current, ...
Mar 27, 2023
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185
Energy & Green Tech
Lithium-ion batteries are ubiquitous today, but that does not mean that they are the best solution for all areas of application. TU Wien has now succeeded in developing an oxygen-ion battery that has some important advantages. ...
Mar 22, 2023
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500
Robotics
Researchers at North Carolina State University have demonstrated a caterpillar-like soft robot that can move forward, backward and dip under narrow spaces. The caterpillar-bot's movement is driven by a novel pattern of silver ...
Mar 22, 2023
1
251
Electronics & Semiconductors
One month after announcing a ferroelectric semiconductor at the nanoscale thinness required for modern computing components, a team at the University of Michigan has demonstrated a reconfigurable transistor using that material.
Mar 8, 2023
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67
Electric current is the rate of flow of electric charge. The electric charge that flows is carried by, for example, mobile electrons in a conductor, ions in an electrolyte or both in a plasma.
The SI unit of electric current intensity is the ampere. Electric current is measured using an ammeter.
This text uses material from Wikipedia, licensed under CC BY-SA
