Who's That Noisy
- Answer to last week: MRI
Interview with Veritasium – Derek Muller
Science or 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
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
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.