Power/Performance Bits: Feb. 8
Transparent sensor; graphene-enhanced heat pipes; large perovskite solar cells.
Transparent sensor
Researchers at Osaka University created a thin, flexible, transparent sensor using silver nanowire networks. High-resolution printing was used to fabricate the centimeter-scale cross-aligned silver nanowire arrays, with reproducible feature sizes from 20 to 250 micrometers. As a proof-of-concept for functionality, they used their arrays to detect electrophysiological signals from plants.
A patterned polymer surface was created to define the subsequent nanowire feature size. Using a glass rod to sweep silver nanowires across the pattern led to either parallel or cross-aligned nanowire networks.
“The sheet resistance of patterns less than 100 micrometers ranged from 25 to 170 ohms per square, and the visible light transmittance at 550 nanometers was 96% to 99%,” said Teppei Araki, an assistant professor at Osaka University. “These values are well-
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How to prep for becoming an IoT leader
IT professionals aim to gain IoT knowledge and take on leadership roles as their organisations deploy more connected devices and build the infrastructure to support them Credit: Dreamstime
As the Internet of Things (IoT) explodes in enterprise settings, there s an opportunity for IT pros to step into new leadership roles. Often, IoT deployments are key to transformational initiatives, so having the skills to head up a significant IoT project can have a beneficial effect on career advancement.
Jerry Yang elected chair of Stanford University Board of Trustees
Stanford alumnus Jerry Yang, founding partner of AME Cloud Ventures and co-founder of Yahoo!, has been elected chair of the Stanford University Board of Trustees, succeeding Jeff Raikes.
By Kate Chesley
Jerry Yang, a Stanford graduate who co-founded the search engine and web services provider Yahoo! and is currently the founding partner of the venture fund AME Cloud Ventures, has been elected chair of the Stanford University Board of Trustees. His two-year term begins July 1, 2021.
Jerry Yang (Image credit: Courtesy Jerry Yang)
Yang, who earned both his bachelor’s and master’s degrees in electrical engineering in 1990 from Stanford, succeeds Jeff Raikes, co-founder of the Raikes Foundation and former chief executive of the Bill & Melinda Gates Foundation. Raikes has served as chair since 2017. He will remain on the board of trustees after his term as chair concludes.
Virtual Pen-Testing Competition Tasks College Students With Running a Red Team Operation
Aimed at developing offensive cyber talent, last weekend s sixth annual Collegiate Penetration Testing Competition brought out some of the brightest from RIT and Stanford, among other universities.
The security industry has sponsored capture-the-flag (CTF) competitions for decades, with the Collegiate Cyber Defense Competition (CCDC) among the most well-known.
But the annual Collegiate Penetration Testing Competition (CPTC) has emerged as the only competition that focuses strictly on testing offensive security skills – something security pros say the industry sorely needs.
CPTC started in 2015. Past winners include the University of Buffalo, University of Central Florida, and Stanford University (three times). This year – Sunday to be exact – Rochester Institute of Technology, which hosts the event, was awarded first place.
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