Tech Briefs Magazine - December 2021 - 6

Contents
34 Communications
34 Adapter Makes All Headphones Intelligent
34 Thin-Film, High-Frequency Antenna Array for Wireless
Communications
36 Agile RFID Antenna System
36 Far-Infrared Microwave Kinetic Inductance Detector
(FIR MKID) Array
37 Power & Energy
37 Safer, Less Expensive, Fast-Charging Aqueous Battery
37 Preventing Short-Circuiting in Next-Generation Lithium Batteries
38 Method Recharges an Electric Car as it Drives
39 Thermochromic Photovoltaic Windows
40 Sustainable Technology
40 Water Purification System Engineered from Wood
40 Luminescent Windows Generate Energy from Inside and Out
41 Closed Ecological System Network
42 Environmentally Friendly Fire Suppressant
Permissions: Authorization to photocopy items for internal or personal use, or the internal or
personal use of specific clients, is granted by Associated Business Publications, provided that the
flat fee of $3.00 per copy be paid directly to the Copyright Clearance Center (222 Rose Wood
On the cover
Computer-aided Directed Energy Deposition (DED) is
an additive manufacturing process that creates a melt
pool and adds material to an existing component -
such as welding two parts together. DED's goal is to
automate the process and precisely control it using
computer-aided manufacturing (CAM) programming
software such as hyperMILL®
from OPEN MIND
Technologies (Needham, MA). Learn more in the
feature on page 18.
(Image courtesy of OPEN MIND Technologies)
45
Product of the Month
Holo Industries (Cottage Grove, OR) offers
Holographic Touch™ large-format holographic
systems.
Dr., Danvers, MA 01923). For those organizations that have been granted a photocopy license
by CCC, a separate system of payment has been arranged. The fee code for users of the
Transactional Reporting Service is: ISSN 0145-319X194 $3.00+ .00
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Tech Briefs Magazine - December 2021

Table of Contents for the Digital Edition of Tech Briefs Magazine - December 2021
