Inside this issue
Features
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Articles
12 What Does Resolution Mean in 3D Printing?
17 Reduce, Reuse, Recycle: Getting Specific About Where 3D Printing Hits the Mark
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5 Ws
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Facility Focus
51 Facility Focus: Duke University Pratt School of Engineering
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NASA Spinoff
Tech Briefs
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Bio-Medical
45 Early Warning System for COVID-19 and Flu Using Wearables
45 Magnet-Controlled Bioelectronic Implant for Relieving Pain
46 Smartphone App Hears Ear Infections in Children
47 Electronic Tattoo Enables Uninterrupted Heart Monitoring for Extended Periods
47 Antibacterial Gel Bandage Using Yeast
48 International Space Station Advanced Resistive Exercise Device (ARED)
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Machinery & Automation
36 Servo Motion Improves Robot Operations
37 In-Line, Automated CT Scan Data Inspection of Electronic Connectors
38 Robot Detects and Shares Changes in 3D in Real Time
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Manufacturing & Prototyping
31 Eco-Friendly Technique Upcycles Metal Waste into Multipurpose Aerogels
31 Overhang Support Designs for Powder-Based Electron Beam Additive Manufacturing (EBAM)
32 System for In-Situ Defect Detection in Composites During Cure
33 Light-Based “Tractor Beam” Assembles Materials at the Nanoscale
34 Green Method for Producing Hydrogen Peroxide
35 Ultra-Thin, Energy-Efficient Photodetector Integrated with Gorilla Glass
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Materials
26 Alkaline Hydrogel Advances Skin Wound Care
26 Copolyimide Surface-Modifying Coating
28 Generation of Polystyrene Latex Spheres with Incorporated Fluorescent Dyes
28 High-Performance, Energy-Absorbing Material
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Aerospace
20 Method Detects Onset of Destructive Oscillations in Aircraft Turbines
22 Drones Use Machine Learning to Detect Landmines
23 GPS-Enhanced Onboard Navigation System (GEONS)
24 High-Altitude Unmanned Aerial Vehicle (UAV) for Monitoring Meteorological Parameters
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Energy
41 Flywheel Energy Storage Continues to Advance Green Initiatives
42 Carbon Fiber Structural Battery for “Mass-Less” Energy Storage in Vehicles
42 Pyroelectric Sandwich Thermal Energy Harvester
43 Photovoltaic Solar Cell Works at Night
44 Electrolyte Boost Improves Performance of Aqueous Dual-Ion Batteries
