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Category: Electrical Engineering

Need a DIY project? How to modify a 3D printer to make food or ceramics

While the pandemic has restricted us from doing many activities we like, household hobbies such as DIY, baking and crafts have become more popular. Now there’s a way to combine all of these skills to create something entirely new. What you will need, however, is a 3D printer. 3D printers will print anything made of plastic, quickly and in any shape you like. But there’s a lot they cannot do. You couldn’t 3D-print pasta shaped like your children’s favorite cartoon…

An insect-computer hybrid system for search operations in disasters

The insect-computer hybrid system. a, The hybrid system consists of a living Madagascar hissing cockroach and a wireless backpack controller. Autonomous navigation is enabled by electrical stimulating the insect’s sensory system, while the infrared camera allows for on-device human detection via image classification. b, The established navigation program cooperates harmoniously with the insect’s natural locomotive ability to deal with unknown environment during the insect’s exploration missions. By controlling the stimulation (denoted with red arrows), the algorithm successfully directed the insect…

Mizzou Engineers Take Transfer Learning Step Further in New Paper

Imagine having a self-driving car that is already trained to recognize road markings, street signs and other vehicles. Could you take what that car knows and tweak it so the vehicle could navigate the ocean, too? The idea is known as transfer learning, and a Mizzou Engineering team has taken it a step further by applying the technique to the organization, or clustering, of data. “One of the big ideas of the new wave of artificial intelligence is this idea…

Technology revolutionizes monitoring the health and size of remote seabird colonies — ScienceDaily

Using drones and artificial intelligence to monitor large colonies of seabirds can be as effective as traditional on-the-ground methods, while reducing costs, labor and the risk of human error, a new study finds. Scientists at Duke University and the Wildlife Conservation Society (WCS) used a deep-learning algorithm — a form of artificial intelligence — to analyze more than 10,000 drone images of mixed colonies of seabirds in the Falkland Islands off Argentina’s coast. The Falklands, also known as the Malvinas,…

Development of a novel thermoelectric material with record-high conversion efficiency

Figure. Newly developed module comprised of an Mg3Sb2-based material (left). Its thermoelectric conversion efficiency indicated by the red circles (right). Credit: National Institute for Materials Science NIMS has succeeded in enhancing the thermoelectric performance of an n-type Mg3Sb2-based material by minutely doping with copper. NIMS and AIST then constructed a module by combining this material with a high-performance p-type material, achieving a conversion efficiency of 7.3% between room temperature and 320°C. This performance is comparable to the best Bi2Te3-based modules,…

How quantum dots can ‘talk’ to each other — ScienceDaily

So-called quantum dots are a new class of materials with many applications. Quantum dots are realized by tiny semiconductor crystals with dimensions in the nanometre range. The optical and electrical properties can be controlled through the size of these crystals. As QLEDs, they are already on the market in the latest generations of TV flat screens, where they ensure particularly brilliant and high-resolution colour reproduction. However, quantum dots are not only used as “dyes,” they are also used in solar…

Unique technology gives humans a leg up on walking

Soft exoskeleton on treadmill. Credit: Queen’s University Faculty of Engineering and Applied Science An exoskeleton designed by Queen’s Engineering researchers that improves walking efficiency is the subject of a new study featured in the leading academic journal Science. The science of walking is taking its next big step with the aid of a unique exoskeleton that allows users to walk further while using less energy. Developed by a multidisciplinary team from the Queen’s Faculty of Engineering and Applied Science, the…

Driving in the snow is a team effort for AI sensors — ScienceDaily

Nobody likes driving in a blizzard, including autonomous vehicles. To make self-driving cars safer on snowy roads, engineers look at the problem from the car’s point of view. A major challenge for fully autonomous vehicles is navigating bad weather. Snow especially confounds crucial sensor data that helps a vehicle gauge depth, find obstacles and keep on the correct side of the yellow line, assuming it is visible. Averaging more than 200 inches of snow every winter, Michigan’s Keweenaw Peninsula is…

Army Ants Robotics Team Secures Spot in International Finals

Members of the Army Ants (pictured prior to COVID-19 restrictions). Columbia’s FIRST® Robotics Competition team is one of just 20 teams worldwide, and the only team in the entire Midwest, to be selected as a finalist for the FIRST Global Innovation Awards. The team — a group of high school students known as the Army Ants — is developing a Sensor Platform for Orthopedic Compliance after Knee Surgery, or SPOCKS. It’s a wearable platform for monitoring patient compliance following total…

Mizzou Engineer Shares Machine Learning Expertise at IEEE Workshop

A Mizzou Engineer shared his expertise in machine learning and data analytics with business professionals last week, encouraging them to begin to think about ways in which computing systems could help them better process big data. Grant Scott is an assistant professor in the Electrical Engineer and Computer Science Department and Center for Geospatial Intelligence. He is also founding director of the Data Science and Analytics master’s degree program. On Wednesday, Dr. Scott presented at a workshop, “Enhancing Business Operations…