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Lithium-Sulfur Battery Range Extender
We first came across lithium-sulfur batteries back in 2008, when they powered the longest solar airplane flight. The developers chose…
Advice on Washing Cloth Face Coverings
Wearing cloth face coverings has become incredibly important. Protecting each other has become a way of life as we face…
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Is COVID Infection Better Than a Vaccine
Catching a COVID-19 infection is a wild card. We could have no symptoms, or just feel we have the flu.…
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School Outbreak in China Raises Alarm
Schools in South Chinese cities have closed their doors, as authorities prepare to test millions of kids. That’s because they…
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Diluting Potential Contaminants in Buildings
We are reviewing the current state of ventilation in our buildings, and how this affects the spread of COVID-19. We…
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Protecting Ourselves from the Next Pathogen
We’ve been chatting about virus circulation in buildings, and borrowing ideas from Sarah Zhang of The Atlantic. She make a…