Quantum news — June 21, 2026

June 21, 2026 saw continued momentum in quantum infrastructure and security applications, alongside government expansion and fundamental research advances. Illinois announced its quantum computing ambitions with Governor JB Pritzker signaling the state's commitment to compete in the quantum race through a partnership with PsiQuantum to build a Chicago hub [1]. Connecticut also launched efforts to establish a quantum computing sector, positioning itself within the growing cluster of regional quantum ecosystems [2]. At the federal level, IBM announced over $10 billion in investment through 2029 to lead quantum computing development, underscoring major technology firms' sustained commitment to the field [3]. Research and technical developments advanced on multiple fronts. A breakthrough from Swedish scientists demonstrated that artificial intelligence can accelerate quantum physics by learning pure physics principles, potentially opening new pathways for quantum algorithm development [4]. A team at Heinrich Heine University Düsseldorf published findings in Physical Review Letters showing that quantum mechanics theory may operate without requiring imaginary numbers, suggesting the field's mathematical foundations may be more flexible than previously understood [5]. In quantum randomness generation, researchers unveiled a new device that produces randomness using quantum vacuum fluctuations, addressing a critical requirement for quantum applications [6]. International collaboration expanded as Egypt participated in the inaugural BRICS Quantum Technologies Forum in Moscow, reflecting growing engagement with quantum technologies across emerging economies [7]. These developments underscore the sector's concurrent progression across state-level infrastructure strategies, fundamental theoretical insights, and international technology cooperation, even as the field maintains focus on near-term commercial deployment challenges.