Bhunia is a professor at the University of Florida. He and Soumyajit Mandal of Case Western Reserve University are developing portable instrumentation for testing medicines, as they describe in “Countering Counterfeit Drugs.” Bhunia’s interest in the topic stems from personal experience. While visiting family in India, he says, “I had to buy medicines from street pharmacies. I did that a couple of times, but things were not working.”
Christie is the founder and creative director of Bryan Christie Design, a 3D-illustration studio that specializes in science and technology. She and Joe Lertola, the studio’s information graphics director, created this month’s cover illustration of Bivacor’s artificial heart. “Some things I’ve illustrated are very experimental and never amounted to anything,” Christie says. “But the first 3D illustration I ever worked on was an artificial heart. That was 20 years ago, and the technology is still moving forward.”
Czajka, a professor at the University of Notre Dame, has been mesmerized by the human iris for decades. In “The Eyes Have It,” he, Mateusz Trokielewicz, and Piotr Maciejewicz explain that much of what’s been assumed about the human iris is wrong, which has important implications for the security of iris-recognition systems. With a better understanding of how the iris changes during life (and beyond), the researchers are now working to make these systems more inclusive.
Marsh is codirector of the Ann Johnson Institute for Science, Technology & Society at the University of South Carolina. She writes IEEE Spectrum’s Past Forward column, which tells the story of technology through historical artifacts. In this issue, she considers the electric hot comb, a popular gadget for straightening and shaping hair. It’s a history she can relate to. In her big-hair days of high school, Marsh carried a butane-powered curling iron to restyle her bangs after gym class.
Voelcker worked at Spectrum in the late 1980s, at Green Car Reports in the 2010s, and at a dozen media and tech companies in between. In his spare time, he tinkers with old British cars, a retro pursuit he balances with a focus on the future of transportation. The latter interest recently took him to Porsche’s R&D center in Weissach, Germany, where he witnessed really fast electricvehicle charging [see “Porsche’s Fast-Charge Power Play”].
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