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Electrical engineering

Electrical engineering (sometimes referred to as electrical and electronic engineering) is a professional engineering discipline that deals with the study and application of electricity, electronics and electromagnetism.

Note: The above text is excerpted from the Wikipedia article "Electrical engineering", which has been released under the GNU Free Documentation License.

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Researchers Discover New Circuit Element

Apr. 11, 2023 — Researchers have identified a new circuit element known as a ...

A Holistic Approach to Materials for the Next Generation of Electrical Insulation

Aug. 13, 2021 — Researchers are analyzing new materials for electrical insulation, or packaging, that can remove heat more effectively compared to today's insulation, amid a need to redesign our electrical ...

High-Five or Thumbs-Up? New Device Detects Which Hand Gesture You Want to Make

Dec. 21, 2020 — A new device developed by engineers can recognize hand gestures based on electrical signals detected in the forearm. The system, which couples wearable biosensors with artificial intelligence (AI), ...

Palm E-Tattoo Can Tell When You're Stressed out

Dec. 2, 2022 — Researchers have applied emerging electronic tattoo (e-tattoo) technology to the tricky task of measuring stress levels by attaching a device to people's ...

New Microcomb Device Advances Photonic Technology

June 21, 2023 — Researchers have outlined a new high-speed tunable microcomb that could help propel advances in wireless communication, imaging, atomic clocks, and ...

Unique Ag-Hydrogel Composite for Soft Bioelectronics Created

Mar. 11, 2021 — Researchers have developed a new silver-hydrogel composite for bioelectronics that combines high electrical conductivity with soft, stretchable ...

Researchers Develop 3D Imaging Technique to Understand How Dendrites Form in Batteries

Feb. 24, 2022 — As the world lessens its dependence on fossil fuels, industries and manufacturers are turning to lithium-ion batteries to power the machines that make modern life possible. These batteries power ...

Powerful Family of Two-Dimensional Materials Discovered

May 6, 2022 — A team has developed a new family of two-dimensional materials that researchers say has great potential for many applications such as batteries and supercapacitors, catalysis, sensors and ...

New Kind of Transistor Could Shrink Communications Devices on Smartphones

Mar. 8, 2023 — One month after announcing a ferroelectric semiconductor at the nanoscale thinness required for modern computing components, a team has now demonstrated a reconfigurable transistor using that ...

Discovery Could Help Lengthen Lifespan of Electronic Devices

Apr. 9, 2021 — Researchers have made a significant discovery in the field of materials science, for the first time providing a full picture of how fatigue in ferroelectric materials ...

Matter & Energy News

November 29, 2023

Printed Robots With Bones, Ligaments, and Tendons

Nov. 15, 2023 — For the first time, researchers have succeeded in printing a robotic hand with bones, ligaments and tendons made of different polymers using a new laser scanning technique. The new technology makes it possible to 3D print special plastics with ...

'Cooling Glass' Blasts Building Heat Into Space

Nov. 13, 2023 — Researchers aiming to combat rising global temperatures have developed a new 'cooling glass' that can turn down the heat indoors without electricity by drawing on the cold depths of space. The new technology, a microporous glass coating, can lower ...

Photonics Team Develops High-Performance Ultrafast Lasers That Fit on a Fingertip

Nov. 9, 2023 — Scientists demonstrate a novel approach for creating high-performance ultrafast lasers on nanophotonic chips. The new advance will enable pocket-sized devices that can perform detailed GPS-free ...

450-Million-Year-Old Organism Finds New Life in Softbotics

Nov. 6, 2023 — Researchers have used fossil evidence to engineer a soft robotic replica of pleurocystitids, a marine organism that existed nearly 450 million years ago and is believed to be one of the first echinoderms capable of movement using a muscular ...

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Greener Solution Powers New Method for Lithium-Ion Battery Recycling

Nov. 29, 2023 — Used lithium-ion batteries from cell phones, laptops and a growing number of electric vehicles are piling up, but options for recycling them remain limited mostly to burning or chemically dissolving ...

A Single Bitcoin Transaction Could Cost as Much Water as a Backyard Swimming Pool

Nov. 29, 2023 — Cryptocurrency mining uses a significant amount of water amid the global water crisis, and its water demand may grow further. Researchers provides ...

Eye-Safe Laser Technology to Diagnose Traumatic Brain Injury

Nov. 29, 2023 — Researchers have designed and developed a novel diagnostic device to detect traumatic brain injury (TBI) by shining a safe laser into the ...

Slippery Toilet Bowl Treatment Causes Bacteria to Slide Right Off

Nov. 29, 2023 — When entering public restrooms, it's hard not to dwell on what germs previous users have left behind in the toilet bowl. Imagine, instead, a self-cleaning system that doesn't require a brightly ...

Blasts to Clear World War II Munitions Could Contaminate the Ocean

Nov. 29, 2023 — World War II concluded decades ago, but live mines lurking on the ocean floor still pose threats, potentially spewing unexpected geysers or releasing contaminants into the water. Experts conduct ...

Swapping Blood for Spit -- For Convenient at-Home Health Monitoring

Nov. 29, 2023 — Blood tests are a common, yet often painful, step in health care. But what if we could skip the needles altogether? Saliva and blood contain many of the same biomarkers, and collecting spit is as ...

Nearly 400,000 New Compounds Added to Open-Access Materials Database

Nov. 29, 2023 — New technology often calls for new materials -- and with supercomputers and simulations, researchers don't have to wade through inefficient guesswork to invent them from ...

Network of Robots Can Successfully Monitor Pipes Using Acoustic Wave Sensors

Nov. 29, 2023 — An inspection design method and procedure by which mobile robots can inspect large pipe structures has been demonstrated with the successful ...

How Do You Make a Robot Smarter? Program It to Know What It Doesn't Know

Nov. 28, 2023 — Engineers have come up with a new way to teach robots to know when they don't know. The technique involves quantifying the fuzziness of human language and using that measurement to tell robots when ...

Compact Accelerator Technology Achieves Major Energy Milestone

Nov. 27, 2023 — Researchers have demonstrated a compact particle accelerator less than 20 meters long that produces an electron beam with an energy of 10 billion electron volts (10 GeV). There are only two other ...