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On-Chip Integration of Quantum Light Sources and Control Electronics: A Breakthrough

2025-07-20

Scientists from Boston University, UC Berkeley, and Northwestern University have achieved a major breakthrough in scalable quantum technologies. Their research, published in Nature Electronics, details the world's first electronic-photonic-quantum system on a chip. This system integrates quantum light sources and stabilizing electronics using a standard 45-nanometer semiconductor manufacturing process, producing reliable streams of correlated photon pairs—a crucial resource for quantum computing, communication, and sensing. This advance paves the way for mass-producible 'quantum light factory' chips and large-scale quantum systems built from many such chips.

Energy Infrastructure Projects: A Shocking Truth About Massive Cost Overruns

2025-05-31

A new study from Boston University's Institute for Global Sustainability reveals that over 60% of energy infrastructure projects worldwide experience construction cost overruns. Analyzing $1.358 trillion invested in 662 projects across 83 countries between 1936 and 2024, the research encompassed diverse energy types, from wind and solar to nuclear and hydrogen. The study found that projects, on average, exceeded budgets by 40% and ran nearly two years behind schedule. Nuclear power plants were the worst offenders, with an average cost overrun of 102.5%, exceeding expectations by $1.56 billion. In contrast, solar and transmission projects performed best, often finishing ahead of schedule or under budget. Researchers suggest that smaller, modular renewable energy projects may offer lower financial risks and better budget predictability.

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