December 1, 2021 Tech Briefs - December 2021 - Vol. 45 No. 12 Here are links to this issue's Features, Tech Briefs, Products and more. You can download the complete issue, LOGIN TO DOWNLOAD Don't have an account? Sign up here. Subscribe to future issues. SUBSCRIBE Inside this issue Supplements Features Application Briefs Solar Electric Propulsion for Gateway Moon Outpost Rad-Hard Avionics for Moon Rover UpFront UpFront: December 2021 Articles Products of Tomorrow: December 2021 Directed Energy Deposition Offers Advantages for Efficient Additive Manufacturing How a Modern Lab Approach Optimizes Post-Silicon Validation Vote for Tech Briefs Product of the Year 2021 Q&A Q&A: Optimizing Lithium-Ion Batteries for Extreme Fast Charging 5 Ws 5 Ws of Power-Generating Fibers Facility Focus Facility Focus: Purdue University College of Engineering NASA Spinoff Artificial Intelligence for Astronauts Monitors Patients at Home Tech Briefs Sensors/Data Acquisition Optical Biosensor Detects Toxins Miniature Lung-Heart Sensor on a Chip Sensors Woven into a Shirt can Monitor Vital Signs Smartwatch Tracks Medication Levels Sensors Eliminate Sparking in Hydrogen Vehicles Aerospace Method Enables Wings to be De-Iced in Flight Meringue-Like Material Reduces Aircraft Noise Sensor Film for Aerospace Approach Makes Unmanned Agents Self-Sufficient System Trains Drones to Fly Around Obstacles at High Speeds Algorithm Flies Drones Faster than Human Racing Pilots Imaging 3D Hand-Sensing Wristband Camera Captures Images of Interior of Solid Objects Multispectral Imaging, Detection, and Active Reflectance (MiDAR) Compact 3D LiDAR Imaging System Cameras Learn and Understand What They are Seeing X-Ray Tomography Lets Researchers Watch Solid-State Batteries Charge and Discharge Communications Thin-Film, High-Frequency Antenna Array for Wireless Communications Agile RFID Antenna System Adapter Makes All Headphones Intelligent Far-Infrared Microwave Kinetic Inductance Detector (FIR MKID) Array Energy Preventing Short-Circuiting in Next-Generation Lithium Batteries Thermochromic Photovoltaic Windows Safer, Less Expensive, Fast-Charging Aqueous Battery Method Recharges an Electric Car as it Drives Sustainable Technologies Environmentally Friendly Fire Suppressant Closed Ecological System Network Water Purification System Engineered from Wood Luminescent Windows Generate Energy from Inside and Out Products New on the Market: December 2021 Product of the Month: December 2021 Tech Briefs Motion Design LOGIN TO DOWNLOAD Subscribe to future issues. SUBSCRIBE Briefs Self-Propelled Nanorobots Four-Legged Swarm Robots Inductive Non-Contact Position Sensor Reverse Vortex Ring (RVR) Computational Model Enables Robots to Learn New Concepts Autonomous Robot Opens Doors Articles Hand Guiding Robots When Robots See: An Additional Sense for Better Performance Hypoid Gears – A Long Way from Truck Axles to Motion Control Applications Hydraulic Actuator Enables Sprayer to Steer Clear of the Ordinary Products New Products: December 2021 Motion Design Topics: View the discussion thread.