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Category: Electrical Engineering

A (verified) picture is worth a grand prize

Zechang Fu, Rachel Thomas, William Fries, Meiying Wu and Alex Johar won the RJI Student Competition with VeriPixel, which uses blockchain technology to allow news organizations and news consumers to verify the authenticity of photographs sent over open networks. A Mizzou Electrical Engineering and Computer Science major, four School of Journalism students with various backgrounds and skill sets, and a Truman State University computer science and business administration major who joined up via TigerHacks created the app that landed the…

Doctors may soon be able to see a brain tumor burned away in real time

Some 80,000 Americans will be diagnosed with a brain tumor this year according to the American Brain Tumor Association. Many of them will need major surgery and chemotherapy. Sixteen thousand of them will lose the battle. But a team of USC Viterbi School of Engineering researchers are now making it easier, faster and safer for doctors to use an emerging procedure – one that involves burning away tumors in more patients, including those with brain tumors. Radiofrequency ablation, or RFA,…

Your next pilot could be drone software

Would you be – or feel – safer if one of these people were a robot? Credit: Skycolors/Shutterstock.com Would you get on a plane that didn’t have a human pilot in the cockpit? Half of air travelers surveyed in 2017 said they would not, even if the ticket was cheaper. Modern pilots do such a good job that almost any air accident is big news, such as the Southwest engine disintegration on April 17. But stories of pilot drunkenness, rants,…

A little fold-up joystick brings haptics to portable devices

Credit: Ecole Polytechnique Federale de Lausanne The tactile joystick developed by startup Foldaway Haptics brings the sense of touch to mobile devices, drones and, in a smaller version, to virtual reality controls. This pocket-sized device, which can be unfolded in an instant, is about to hit the market. Next week it will be showcased at the Hannover Messe, the world’s largest trade fair for industrial technology. The tactile joystick developed by EPFL spin-off Foldaway Haptics is not much larger than…

Pulsed corona discharge removes pharmaceutical residues from wastewater

A doctoral dissertation by a candidate at Lappeenranta University of Technology (LUT) examines the removal of harmful organic substances such as pharmaceutical residues from wastewater using only electricity. According to practical tests, pulsed corona discharge (PCD) may significantly reduce the environmental burden of pharmaceutical residues. According to the pilot tests in the chemical technology dissertation by Petri Ajo, M.Sc. (Tech.), pharmaceutical residues, their variants and other similar compounds degrade easily from wastewater because the process is non-selective. PCD is…

Building robots, building the future

Hosted by MU’s Neural Engineering Laboratory, the 13th annual Robotics Design Challenge welcomed 325 participating K-8th graders to test the robots they had spent months creating. Photo by Brandan Haskell. On April 7, the classrooms of Naka Hall filled with aspiring robotics designers from elementary and middle schools across the state. Hosted by MU’s Neural Engineering Laboratory, the 13th annual Robotics Design Challenge welcomed participating K-8th graders to test the robots they had spent months creating. According to engineering student…

Risk-based optimization scheme boosts confidence and profitability for future mixed-technology power plants

The challenge is the optimization of operations and electricity market participation for a VPP comprising a thermal unit, such as a conventional gas-fired power plant, a wind farm and a pumped storage hydro unit for energy storage. Credit: Xavier Pita A scheme to balance risks may help realize the benefits of being able to combine complementary power technologies, such as thermal generation, wind power and energy storage. Such benefits include lower capital costs and more responsive and reliable energy delivery…

Tiny injectable sensor could provide unobtrusive, long-term alcohol monitoring — ScienceDaily

Engineers at the University of California San Diego have developed a miniature, ultra-low power injectable biosensor that could be used for continuous, long-term alcohol monitoring. The chip is small enough to be implanted in the body just beneath the surface of the skin and is powered wirelessly by a wearable device, such as a smartwatch or patch. “The ultimate goal of this work is to develop a routine, unobtrusive alcohol and drug monitoring device for patients in substance abuse treatment…

Unusual particle interactions open up new possibilities in exotic materials — ScienceDaily

When you plug in an appliance or flip on a light switch, electricity seems to flow instantly through wires in the wall. But in fact, the electricity is carried by tiny particles called electrons that slowly drift through the wires. On their journey, electrons occasionally bump into the material’s atoms, giving up some energy with every collision. The degree to which electrons travel unhindered determines how well a material can conduct electricity. Environmental changes can enhance conductivity, in some cases…

More accurate biopsy by augmented reality

Credit: University of Twente The University of Twente is currently developing a smartphone technology based on the usage of Simultaneous Localization And Mapping (SLAM) and augmented reality (AR). This technology enables medical personnel to reconstruct 3-D body sections quickly, only by holding the smartphone around the area of interest. This smartphone will display the augmented layers of the 3-D skin surface in order to visualize invisible information for medical personnel. “We would like to layer the information from the MRI…