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Category: Electrical Engineering

Accelerating growth through Facebook’s Rotational Engineering Program | Engineering Blog | Facebook Code

One of the core tenets we value at Facebook is diversity of thought. We know that teams with people who bring a diverse set of experiences, backgrounds, identities, and perspectives build better products. As we grow as a company, we’re looking beyond our traditional recruiting channels and diversifying our efforts to find the best people from all backgrounds. Last year we launched the Rotational Engineering Program to provide opportunities to select programmers and engineers from non-traditional and underrepresented backgrounds to…

New method of measurement could lead to cheaper, more accurate sensors

A new method for measuring extremely tiny objects could lead to cheaper, more accurate sensors for use in fields including medical research and gas detection. Research at the University of Waterloo found that nanoscale devices using electromagnetism would be sensitive enough to determine the mass of viruses a hundred billion times lighter than a strand of human hair. “Medical researchers would finally have a more accurate tool for detecting viruses and bacteria, and that could lead to better clinical…

Prosthetic limbs made user-friendly with polymer based elastic sensors

Design of the PPy band. Credit: University of Electro Communications Prostheses are used to replace body parts damaged through trauma or congenital deficiencies. A wide range of prosthetic limbs exist including myoelectric prostheses that operate by so-called surface electromyography (sEMG), where pulses of electrical voltage from muscles are relayed to sensors when users want to initiate a movement. However, a major problem limit the application of such prosthetic devices is the instability of the electrical signals measured. Now, Yinlai Jiang…

‘Superhero’ 3D printed hands help kids dream in Argentina

In this June 12, 2017 photo, Kaori Misue breaks into a smile in Buenos Aires, Argentina. Misue has a brand new prosthetic hand thanks to the genius of 21-year-old inventor Gino Tubaro and his 3D printer. Today, more than 500 people, mostly children, have received similar prostheses and 4,500 more remain on a waiting list. (AP Photo/Natacha Pisarenko) Being born without fingers can be tough for any child. Getting new ones—especially red and blue superhero themed digits—has made 8-year-old Kaori…

New method for 3-D through-wall imaging that utilizes drones and WiFi

Researchers at UC Santa Barbara professor Yasamin Mostofi’s lab have given the first demonstration of three-dimensional imaging of objects through walls using ordinary wireless signal. The technique, which involves two drones working in tandem, could have a variety of applications, such as emergency search-and-rescue, archaeological discovery and structural monitoring. “Our proposed approach has enabled unmanned aerial vehicles to image details through walls in 3D with only WiFi signals,” said Mostofi, a professor of electrical and computer engineering at UCSB. “This…

Small Farm Robots » Curious Cat Science and Engineering Blog

Small Farm Robots Posted on June 17, 2017  Comments (0) The IdaBot was created by researchers at Northwest Nazarene University (Idaho, USA). Using robots in farming is limited today but the future could see a huge growth in that use. Benefits of introducing more robots to farming include reducing the use of pesticides and chemicals to control weeds. Reducing labor costs is also a potential benefit but at current market prices (due to high costs of robotics and available cheap…

Compound shows potential for high-temperature superconductivity — ScienceDaily

A team of researchers at the U.S. Department of Energy’s (DOE) Argonne National Laboratory has identified a nickel oxide compound as an unconventional but promising candidate material for high-temperature superconductivity. The team successfully synthesized single crystals of a metallic trilayer nickelate compound, a feat the researchers believe to be a first. “It’s poised for superconductivity in a way not found in other nickel oxides. We’re very hopeful that all we have to do now is find the right electron concentration.”…

Is Bitcoin a Viable Currency?

The recent rise in the value of Bitcoin has the captured the world’s attention with its recent meteoric price bubble. The value of Bitcoin has grown over 200% in 2017 alone. If you are considering jumping into the mania and purchasing a Bitcoin, here are five good reasons why you may want to sit on the sidelines a little longer. The Pro’s of Bitcoin Bitcoin does have some truly unique characteristics. One of the most attractive points is the fact…

Combatting weeds with lasers

Tim Wigbels (left) and Dr. Julio Pastrana (right) with their weed recognition software which is detecting a plant and how the laser system is shooting and damage its foliage. Credit: Volker Lannert/Uni Bonn A robot automatically identifies weeds in a field and combats them with a short laser pulse. Sustainable agriculture, which avoids the use of herbicides as far as possible, could benefit from this smart idea. Dr. Julio Pastrana and Tim Wigbels from the Institute of Geodesy and Geoinformation…

Researchers debut battery-less pacemaker

The internal components of a battery-less pacemaker introduced this week by Rice University and the Texas Heart Institute. The pacemaker can be inserted into the heart and powered by a battery pack outside the body, eliminating the need for wire leads and surgeries to occasionally replace the battery. Credit: Rice Integrated Systems and Circuits/Rice University A wireless, battery-less pacemaker that can be implanted directly into a patient’s heart is being introduced by researchers from Rice University and their colleagues at…