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How physics can help COVID-proof everyday life

Physics World

During the same briefing, fluid mechanics researcher Tanya Purwar zeroed in on another flaw in today’s face masks: the tremendous amount of non-recyclable, non-biodegradable waste they generate. And breathe: False-colour images of typical airflows during four types of breathing without (top row) and with (bottom row) a surgical face mask.

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From Dust You Were Made, From Dust You Shall Return: On Human Composting & Upcycling (in some cases)

Acoel

Washington State was the first state to legalize human composting in 2019, followed by Colorado (2021), Oregon (2021), and then Vermont (2022). While the cremation process burns fossil fuels and emits carbon dioxide and particulates into the atmosphere, the environmental impact of cremation versus burial is arguably about the same.