Global warming is making the oceans more acidic. Our work aims to design realistic systems to reduce this acidity, and remove carbon from the atmosphere in the process.
- Associate Professor, Chemical Engineering, McMaster University
In 2020, with adult ICUs at risk of being overwhelmed, we wore masks and accepted restrictions. Now pediatric intensive care is at risk. Will leaders follow the evidence and tell us to mask up?
We tested well-fitting cloth masks made from 16 kinds of cotton, on human participants, to see how many provided filtration comparable with a certified medical mask. Most of them did.
Are two face masks better than one? Adding layers of filtration by double masking is a way of using the masks that we already have, possibly to better effect.
Tout ce qu’il faut savoir sur le polypropylène non tissé, le tissu désormais recommandé pour servir de filtre dans les masques faciaux en tissu : ce que c’est, ce qu’il faut chercher et où le trouver.
Everything you need to know about non-woven polypropylene, the fabric now recommended for use as a filter in cloth face masks: What it is, what to look for and where to find it.
Contact Charles-Francois for
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- Location: Hamilton, ON, Canada
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