June 2021 * Vol. 45 No. 6 Contents Features 10 Products of Tomorrow 16 Simulation Applications Streamline the Development of Electric Vehicle Motors 55 Application Briefs 60 Facility Focus 64 NASA Spinoff: Drone Flight Controller 26 Tech Briefs 30 Electrical/Electronics 30 Synapse-Like Phototransistor 30 Biodegradable Displays for Sustainable Electronics 32 Fully Recyclable Printed Electronics 32 Nanowire Could Provide a Stable Superconducting Transistor 34 Polymer-Based Electrical Insulation for Circuits 34 Large Integrated Circuits Produced in a Printing Press 35 Nanotransistors Stay Cool at High Voltages 36 Mechanical & Fluid Systems 36 Square Structural Joint with Robotic Assembly Tool 36 Transport of Mechanical Energy, Even Through Damaged Pathways 38 High Bus Voltage Stepper Motor Systems 39 New Process Breaks Down Polystyrene 40 Mode I Fracture Testing Apparatus 41 Imaging 41 Device Combines Optics and Image Analysis to Count Biomolecules 41 Using Neural Networks for Faster X-Ray Imaging 42 3D Holographic Head-Up Display Could Improve Road Safety 43 Optical Imaging Technology Sheds Light on Tumors 44 Vision System Sees Through Clouds and Fog 45 Optics 45 Monolithic Optical Parametric Oscillator for Laser Spectrometer 45 Diffraction Grating Provides Wider Angles for Light Input 46 High-Capacity Optical Data Storage Disk (Optics continued on page 6) 4 Cov Departments 8 UpFront 12 5 Ws 14 Q&A 63 Advertisers Index New for Design Engineers 58 New on the Market Special Section Technology Leaders in Power Management 22 Supercapacitors Go Hybrid for Increased Performance and Efficiency 26 Machine Control Power Quality and Surge Protection www.techbriefs.com ToC Tech Briefs, June 2021 16 55http://www.techbriefs.com http://www.abpi.net/ntbpdfclicks/l.php?202106TBNAV