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DECEMBER 2023 I PCB007 MAGAZINE 73 type for an engineer holds true: Engineers love data, but sometimes can struggle to effectively communicate to their team, whether that's expressing a solution to a problem or present- ing final data collection to their project teams. Another good chapter would be how to effec- tively lead meetings and keep a team on task, especially for someone interested in project management. Overall, I thoroughly enjoyed this book. ank you, Happy, for inspiring so many engi- neers. I'll let you know how these skills help me progress. PCB007 Hannah Nelson is a process engineer at Texas Instruments and in the IPC Emerging Engineer Program. To read past columns, click here. Get yourself a copy of this Happy Holden book here. learning stands out. I thought this was incred- ibly interesting, because I had never thought about learning as having a computational curve to provide evidence for its benefit. Conclusion As I read through each essential skill, I learned more about topics I have yet to explore, such as Lean manufacturing and predictive engineer- ing. For early engineers, our training is rigor- ous and thoroughly taught, but initial training cannot possibly teach every known concept in the industry, mostly due to the specificity of each job. Happy's 24 key concepts help bridge that gap. He does an excellent job of incorporating skills that would benefit any level of engineer. If he decides to add any chapters, I would love to see something on effective communica- tion and the presentation of data. e stereo- A new kind of "wire" for moving excitons, devel- oped at the University of Michigan, could help enable a new class of devices, perhaps including room tem- perature quantum computers. What's more, the team observed a dramatic viola- tion of Einstein's relation, used to describe how par- ticles spread out in space, and leveraged it to move excitons in much smaller packages than previously possible. "Nature uses excitons in photosynthesis. We use excitons in OLED displays and some LEDs and solar cells," said Parag Deotare, co-corresponding author of the study in ACS Nano supervising the experi- mental work, and an associate professor of electri- cal and computer engineering. "The ability to move excitons where we want will help us improve the efficiency of devices that already use excitons and expand excitonics into computing." An exciton can be thought of as a particle (hence quasiparticle), but it's really an electron linked with a positively-charged empty space in the lattice of the material (a "hole"). Because an exciton has no net electrical charge, moving excitons are not affected by parasitic capacitances, an electrical interac- tion between neighboring components in a device that causes energy losses. Excitons are also easy to convert to and from light, so they open the way for extremely fast and efficient computers that use a combination of optics and excitonics, rather than electronics. This combination could help enable room tem- perature quantum computing, said Mackillo Kira, co-corresponding author of the study supervising the theory, and a professor of electrical and com- puter engineering. (Source: University of Michigan) Nextgen Computing: Hard-to-move Quasiparticles Glide Up Pyramid Edges