Tech Briefs Magazine - October 2021 - 8

Products of
Tomorrow
 Inkjet Printing
of Metamaterials
Engineers at Tufts
University developed
methods to more efficiently
fabricate meta -
materials that behave in unusual ways when interacting
with microwave energy. The innovation constructs
the metamaterials using low-cost inkjet
printing, making the method widely accessible and
scalable while also providing benefits such as the
ability to be applied to large conformable surfaces
or interface with a biological environment. The
inkjet-printed materials have potential applications
in telecommunications, GPS, radar, mobile devices,
and medical devices. In theory, the metamaterials
could bend energy around objects to make them
appear invisible.
Contact: Mike Silver
Phone: 617-627-0545
E-mail: Mike.Silver@tufts.edu
This column presents technologies that have
applications in commercial areas, possibly creating the
products of tomorrow. To learn more about each
technology, see the contact information provided for
that innovation.
 High-Efficiency
Solar Cell
NASA's Glenn Research
Center developed a highefficiency
multi-junction so -
lar cell that uses a thin interlayer
of selenium as the
bonding material between
wafers. The innovation features a low-cost, robust
silicon wafer as the supporting bottom substrate
and bottom cell. This approach enables a cell that
is simultaneously lower in cost, more rugged, and
more efficient than existing space-based photovoltaic
cells. For terrestrial applications, it can provide
unprecedented efficiencies for auxiliary power
units in vehicles, solar roof tiles, power plants, and
smart grid systems.
Contact: NASA's Licensing Concierge
Phone: 202-358-7432
E-mail: Agency-Patent-Licensing@mail.nasa.gov
https://technology.nasa.gov/patent/LEW-TOPS-50
 Meringue-Like Material Reduces Aircraft Noise
An incredibly light material that can reduce aircraft engine noise and improve
passenger comfort has been developed by the University of Bath (UK). The
graphene aerogel weighs 2.1 kg per cubic meter, making it the lightest sound insulation
ever manufactured. It could be used as insulation within aircraft engines to
reduce noise by up to 16 decibels - reducing the 105-decibel roar of a jet engine taking off to a sound closer to
that of a hairdryer. The aerogel's meringue-like structure makes it extremely light, meaning it could act as an insulator
within aircraft engine nacelles with almost no increase in overall weight.
Contact: University of Bath Press Office
Phone: +44 (0)1225 386319
E-mail: press@bath.ac.uk
8
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Tech Briefs, October 2021

https://technology.nasa.gov/patent/LEW-TOPS-50 http://www.techbriefs.com http://info.hotims.com/79418-936

Tech Briefs Magazine - October 2021

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

Tech Briefs Magazine - October 2021 - Intro
Tech Briefs Magazine - October 2021 - Sponsor
Tech Briefs Magazine - October 2021 - Cov1
Tech Briefs Magazine - October 2021 - Cov2
Tech Briefs Magazine - October 2021 - 1
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Tech Briefs Magazine - October 2021 - Cov3
Tech Briefs Magazine - October 2021 - Cov4
Tech Briefs Magazine - October 2021 - CN-Cov1
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Tech Briefs Magazine - October 2021 - MD-Cov1
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Tech Briefs Magazine - October 2021 - MD-1
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