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- University of California, Berkeley/Keegan Houser. Blake Johnson spends a lot of time thinking about things like superconducting cables and supercooled refrigerators. As the vice president of quantum engineering at Rigetti Computing , a startup that makes quantum computers, Johnson is responsible for finding and acquiring the components needed to put the machines together. It’s challenging, because what was once an esoteric, experimental technology is morphing into more of a mainstream one championed by giant companies such as IBM, Google, and China’s Alibaba, as well as by ambitious startups like Rigetti and IonQ. As a result, demand is growing much faster than supply in some critical areas. Full story

18 January