Sub-Saharan 12-Country Supergrid Proposed By Researchers
. I presented at a northern African renewables conference in December of 2022 at the organizers’ request. I’ve plucked at the surface of parts of the huge continent. And so, I approach this subject humbly..
Why CSP was modeled was an interesting question given its failure to deliver on its promises compared to photovoltaic over the past 30 years. The study’s argument is that in very hot countries, photovoltaic underperforms, giving an edge to CSP. Perhaps. Unsurprisingly, the study found that the cheapest system which would meet the demand profiles had a mix of renewable generation technologies and grid storage toward the high end of the modeled ranges. The critical excess electricity production that would require curtailment of generation sources was reduced, but not eliminated. As a side note, the study assessed the potential for hydrogen generation with just the excess electricity in the scenarios.
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Digital Skills Provide a Development Path for Sub-Saharan AfricaSub-Saharan Africa is urbanizing with massive rural-urban migration. But unlike the urbanization of the Western world, Sub-Saharan Africa is missing a critical component: industrialized urban cities. Because of this, these urban areas have become overcrowded with substandard housing and severely inadequate infrastructure to cope with unplanned population growth. Fortunately, a new development playbook to solve this problem is already evolving, and it is anchored on the young people equipped with advanced digital skills in Sub-Saharan Africa. These young workers are digitally savvy, creative, and can lead a massive transformation — if they’re equipped and supported to unlock their potential. They can export digital skills to Western Europe, United States, and Asia through the unbounded and unconstrained opportunities the internet has provided through “digital jobs” from music to software development to prompt engineering. But to scale this and make it a success, changes must be taken into consideration at both the policy level and in implementation in the areas of quality digital education, tax treaties and harmonization, and outsourcing-focused startups.
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How does Saharan dust affect tropical development?While a plume of Saharan dust is adding a haze to our sky this week, it also adds a dry layer of air to the atmosphere when filtering across the Atlantic. We talk about how that impacts tropical development in today's Whatever the Weather blog post:
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Sub-1.4 cm3 capsule for detecting labile inflammatory biomarkers in situ - NatureA biosensor comprising bacteria engineered to respond to transient inflammatory signals has been packaged with electronic readout and transmission circuits in a small device that could be swallowed to monitor gastrointestinal health.
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