Episode #923
News Items
Who's That Noisy
- Answer to last week: MRI
Interview with Veritasium – Derek Muller
- https://www.veritasium.com/
Science or Fiction
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Item #1
Fiction
Engineers have developed concrete made from lunar regolith and ordinary potato starch and requiring only low temperature heating that is almost three times as strong as regular concrete. https://www.degruyter.com/document/doi/10.1515/eng-2022-0390/html
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Item #2
Science
Aerospace engineers have made an airplane propeller blade design that significantly reduces noise while increasing thrust and efficiency by 20% over a traditional design. https://www.mdpi.com/2226-4310/9/12/825
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Item #3
Science
Scientists report a new process for electrosynthesis of multicarbon products from CO2 that is twice as efficient as existing methods. https://www.nature.com/articles/s44160-022-00234-x
Skeptical Quote of the Week.
‘The Scientific Revolution has not been a revolution of knowledge. It has been above all a revolution of ignorance. The great discovery that launched the Scientific Revolution was the discovery that humans do not know the answers to their most important questions.’ ’Sapiens: a brief history of humankind’ by Yuval Noah Harari.