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Magazine

Photovoltaic-Powered Sensors

  • Magazine Article
  • TBMG-35714
Published 2019-12-01 by Tech Briefs Media Group in United States

Internet of Things devices require batteries that must be replaced frequently, which can be problematic for long-term monitoring. Photovoltaic-powered sensors were developed that could potentially transmit data for years before they need to be replaced. Thin-film perovskite cells — known for their potential low cost, flexibility, and relative ease of fabrication — were mounted as energy-harvesters on inexpensive radio frequency identification (RFID) tags.

Method Manipulates Electrons and Transmits Information Quantum-Mechanically

  • Magazine Article
  • TBMG-35718
Published 2019-12-01 by Tech Briefs Media Group in United States

A quantum computer operates on the principles of quantum mechanics, a unique set of rules that governs at the extremely small scale of atoms and subatomic particles. When dealing with particles at these scales, many of the rules that govern classical physics no longer apply and quantum effects emerge. A quantum computer is able to perform complex calculations, factor extremely large numbers, and simulate the behaviors of atoms and particles at levels that classical computers cannot.

The Three Rs of Analog Position Sensor-Based Mechanical Measurements

  • Magazine Article
  • TBMG-35681
Published 2019-12-01 by Tech Briefs Media Group in United States

Those of us old enough to remember the “good old days” recall that grade school focused on learning the 3 R's: reading, ‘riting, and ‘rithametic. In the world of sensors, there are also 3 R's: Repeatability, Resolution, and Response. As important as these sensor parameters are, there is often confusion in the mind of users about exactly what they mean and in what ways they tend to interact with each other. This article will attempt to explain the 3 R's for position sensors and dispel any confusion that might exist.

Implantable Cancer Traps Could Provide Earlier Diagnosis, Help Monitor Treatment

  • Magazine Article
  • TBMG-35628
Published 2019-12-01 by Tech Briefs Media Group in United States

Invasive procedures to biopsy tissue from cancer-tainted organs could be replaced by simply taking samples from a tiny “decoy” implanted just beneath the skin, University of Michigan researchers have demonstrated in mice.

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Narrower focus, BIGGER PAYOFF

SAE Truck & Off-Highway Engineering: December 2019

Terry Costlow
  • Magazine Article
  • 19TOFHP12_03
Published 2019-12-01 by SAE International in United States

Design teams are targeting focused markets for their commercial electric-vehicle programs to combat challenges like range and infrastructure.

Government regulations are prompting a changeover to electric powertrains, with early growth coming in commercial vehicle applications where range and recharging are more easily managed. Greater expansion will require revisions in maintenance and broader availability of charging stations as well as improved driving ranges.

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Optically Fixable Shape Memory Polymers

  • Magazine Article
  • TBMG-35716
Published 2019-12-01 by Tech Briefs Media Group in United States

Shape memory polymers (SMPs) are stimuli-responsive materials that remember an original “permanent shape” that can be recovered from a temporary fixed shape by exposure to external stimuli such as heat, electricity, moisture, solvent, or a magnetic field. Shape fixing is most commonly observed by heating the polymeric material above a transition temperature that can be the glass transition (Tg), melting (Tm), or crystalline clearing temperature (Tcl). Recent work has demonstrated that polymeric materials with multiple transitions can exhibit two-way shape memory (2W-SM) behavior and so-called triple shape memory in systems possessing both chemical and physical crosslinking.

Ultra-Thin Layers of Rust Generate Electricity from Flowing Water

  • Magazine Article
  • TBMG-35722
Published 2019-12-01 by Tech Briefs Media Group in United States

Research shows that thin films of rust (iron oxide) can generate electricity when saltwater flows over them. These films represent an entirely new way of generating electricity and could be used to develop new forms of sustainable power production.

Changing How the Aerospace Industry Makes Parts

  • Magazine Article
  • TBMG-35684
Published 2019-12-01 by Tech Briefs Media Group in United States

Technology that increases production rates and part quality, while reducing setup times and costs, is seeing a surge in demand within the aerospace sector as the commercial aircraft backlog continues to grow.

Bioelectronic Implant Could Prevent Opioid Deaths

  • Magazine Article
  • TBMG-35630
Published 2019-12-01 by Tech Briefs Media Group in United States

Researchers are developing a novel, implantable device that can sense the effects of a potentially fatal level of ingested opioids and then automatically and immediately deliver a life-saving dose of naloxone.

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PLASTICS INNOVATIONS 2019

SAE Truck & Off-Highway Engineering: December 2019

Lindsay Brooke
  • Magazine Article
  • 19TOFHP12_05
Published 2019-12-01 by SAE International in United States

The 49th annual SPE Automotive Awards highlight the ongoing benefits of lightweight polymers and composites.

The Society of Plastics Engineers (SPE) annual Automotive Innovation Awards Competition, now in its 49th year, is considered the “Oscars” for those developing polymer and composites-intensive components, systems and vehicles. Winners of the 2019 competition topped an incredible field of entries that continue to show the benefits of lightweight, durable plastics across the spectrum of vehicle applications.

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