The e-Pistles of Paul ©2010 A.D.: December 2022

Wednesday, 28 December 2022

The Homemade Air Purifier for dusty workshops

It seems like this would also work for dusty workrooms.

The Homemade Air Purifier That’s Been Saving Lives During the Covid-19 Pandemic
Made from everyday items found in hardware stores, the Corsi-Rosenthal box is a testament to the power of grassroots innovation
Douglas Hannah, The Conversation, Smithsonian, March 7, 2022
https://www.smithsonianmag.com/innovation/homemade-air-purifier-thats-been-saving-lives-during-covid-19-pandemic-180979681/

DIY box fan filters – Corsi-Rosenthal box
https://cleanaircrew.org/box-fan-filters/

IAQ Research-Practice in Action: The Corsi/Rosenthal Box Air Cleaner
https://www.texairfilters.com/iaq-research-practice-in-action-the-corsi-rosenthal-box-air-cleaner/

Yours,

Paul H.

An icy mystery deep in Arctic Canada

South Bohemia faces growing wave of illegal moldavite miners

By Ruth Fraňková, Czech Radio, January 25, 2021

Yours,

Paul H.

Megatsunami swept over Mars after massive asteroid hit the Red Planet

NASA May Have Landed on a Martian Megatsunami Deposit Nearly 50 Years Ago
Planetary Science Institute, Dec. 1, 2022
https://www.psi.edu/news/megatsunamimars

Megatsunami swept over Mars after massive asteroid hit the Red Planet
It left a crater 69 miles wide By Charles Q. Choi, December 1, 2022
https://www.space.com/mars-megatsunami-massive-asteroid-impact-crater

The open access paper is:

Rodriguez, J.A.P., Robertson, D.K., Kargel, J.S. et al. Evidence of an oceanic
impact and megatsunami sedimentation in Chryse Planitia, Mars. Sci Rep 12,
19589 (2022). https://doi.org/10.1038/s41598-022-18082-2
https://www.nature.com/articles/s41598-022-18082-2

Yours,

Paul H.