Thanks, Aldo. Separately, effects on inanimate objects like ESD materials and transmission lines seem generally sensitive to relative humidity whereas humans, and likely other mammals, are sensitive to absolute humidity measured as dew point temperature. As temperature is not important up to 120?F, or more, if the dew point temperature is below freezing.
Once I realized this some time ago and applied it to myself, I have no problem running for an hour or two at 115?F in the Nevada desert passing signs that say "Danger! Do not enter here in the summer!" Most young athletes are not able to do this, yet I will be 76 in a few weeks. Doug Smith Sent from my iPhone IPhone: 408-858-4528 Office: 702-570-6108 Email: [email protected] Website: http://dsmith.org ________________________________ From: Morales, Aldo W <[email protected]> Sent: Saturday, February 18, 2023 11:04:46 AM To: [email protected] <[email protected]>; [email protected] <[email protected]>; doug emcesd.com <[email protected]> Subject: Re: Interesting material Hello Colleagues: Please check this paper on humidity and temperature that we published long time ago Modeling Relative Humidity and Temperature Effects on Scattering Parameters in Transmission Lines * S. Agili, A. Morales, +1 author M. Resso * Published 27 September 2012 * * IEEE Transactions on Components, Packaging and Manufacturing Technology Stay safe and healthy, Aldo _____________________________________________________________________________________________ Aldo W. Morales, Ph.D. IEEE Senior Member https://psu.zoom.us/my/aldo.morales<https://urldefense.proofpoint.com/v2/url?u=https-3A__psu.zoom.us_my_aldo.morales&d=DwMFAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=c9NR2mGfldry-2pM9Bbuww&m=aynX0Gw2OtbjQBb1JC70a3wcAfL52N40OUvueoQXwSc&s=guUCHDJA3FXUwenYW8EVdwoDPG257d3ge6IN4O7MJnc&e=> IEEE Consumer Electronics Society 15-16 Distinguished Lecturer Co-Director, Center of Excellence in Signal Integrity <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.hbg.psu.edu_csi&d=DwMFAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=c9NR2mGfldry-2pM9Bbuww&m=aynX0Gw2OtbjQBb1JC70a3wcAfL52N40OUvueoQXwSc&s=8C4JfrScDvZJZtByrr-F-582dIyb1olvvo81_YD-N9g&e=>https://harrisburg.psu.edu/center-for-signal-integrity<https://urldefense.proofpoint.com/v2/url?u=https-3A__harrisburg.psu.edu_center-2Dfor-2Dsignal-2Dintegrity&d=DwMFAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=c9NR2mGfldry-2pM9Bbuww&m=aynX0Gw2OtbjQBb1JC70a3wcAfL52N40OUvueoQXwSc&s=5S3BnF4EdNeIu4rh0AlVWdDXFKWv2h8S2-Ma7ILasqc&e=> Co-PI NSF STEM grant https://harrisburg.psu.edu/scholarships/nsf-stem-scholarship-program<https://urldefense.proofpoint.com/v2/url?u=https-3A__harrisburg.psu.edu_scholarships_nsf-2Dstem-2Dscholarship-2Dprogram&d=DwMFAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=c9NR2mGfldry-2pM9Bbuww&m=aynX0Gw2OtbjQBb1JC70a3wcAfL52N40OUvueoQXwSc&s=80NaIeNKsLaeSAdPhDLVxnvx8lrkTY5qMecpF6KNpsY&e=> Professor of Electrical Engineering Penn State Harrisburg 777 West Harrisburg Pike Middletown, PA 17057 U.S.A. Phone: (717)-948-6379 Fax: (717)-948-6352 ________________________________ From: [email protected] <[email protected]> on behalf of doug emcesd.com <[email protected]> Sent: Saturday, February 18, 2023 1:59 AM To: [email protected] <[email protected]>; [email protected] <[email protected]> Subject: [SI-LIST] Re: Interesting material Here is a better video where I limit the applied voltage to a reasonable operating voltage to just see the humidity effect. https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.dropbox.com%2Fs%2Ft1udll2dqidl8o7%2FVID_20230217_205517.mp4%3Fdl%25C3%25BF&data=05%7C01%7Cawm2%40psu.edu%7C8ea380ac0b684730975a08db117deaa4%7C7cf48d453ddb4389a9c1c115526eb52e%7C0%7C0%7C638123004733550809%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=kntcFEHEQAOuMw298OJ6EjgChUUxWIdHjOlUfAdwkvc%3D&reserved=0<https://urldefense.proofpoint.com/v2/url?u=https-3A__nam10.safelinks.protection.outlook.com_-3Furl-3Dhttps-253A-252F-252Fwww.dropbox.com-252Fs-252Ft1udll2dqidl8o7-252FVID-5F20230217-5F205517.mp4-253Fdl-2525C3-2525BF-26data-3D05-257C01-257Cawm2-2540psu.edu-257C8ea380ac0b684730975a08db117deaa4-257C7cf48d453ddb4389a9c1c115526eb52e-257C0-257C0-257C638123004733550809-257CUnknown-257CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0-253D-257C3000-257C-257C-257C-26sdata-3DkntcFEHEQAOuMw298OJ6EjgChUUxWIdHjOlUfAdwkvc-253D-26reserved-3D0&d=DwMFAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=c9NR2mGfldry-2pM9Bbuww&m=aynX0Gw2OtbjQBb1JC70a3wcAfL52N40OUvueoQXwSc&s=X0wa5AacOm9bdM40t5AEi0adIj7feEplqh6dvqyqdiU&e=> Doug Smith Sent from my iPhone IPhone: 408-858-4528 Office: 702-570-6108 Email: [email protected] Website: https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdsmith.org%2F&data=05%7C01%7Cawm2%40psu.edu%7C8ea380ac0b684730975a08db117deaa4%7C7cf48d453ddb4389a9c1c115526eb52e%7C0%7C0%7C638123004733550809%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=5w%2Fj2D6EeqKvTy3NAcmYtRc9WgkXRhfCA8yuu5wVxa4%3D&reserved=0<https://urldefense.proofpoint.com/v2/url?u=https-3A__nam10.safelinks.protection.outlook.com_-3Furl-3Dhttp-253A-252F-252Fdsmith.org-252F-26data-3D05-257C01-257Cawm2-2540psu.edu-257C8ea380ac0b684730975a08db117deaa4-257C7cf48d453ddb4389a9c1c115526eb52e-257C0-257C0-257C638123004733550809-257CUnknown-257CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0-253D-257C3000-257C-257C-257C-26sdata-3D5w-252Fj2D6EeqKvTy3NAcmYtRc9WgkXRhfCA8yuu5wVxa4-253D-26reserved-3D0&d=DwMFAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=c9NR2mGfldry-2pM9Bbuww&m=aynX0Gw2OtbjQBb1JC70a3wcAfL52N40OUvueoQXwSc&s=GcIG4q8fMZsdLmj984KMlqKlw2KFeM1Go6JS6ffBSAk&e=> ________________________________ From: doug emcesd.com Sent: Friday, February 17, 2023 10:54:10 PM To: [email protected] <[email protected]>; [email protected] <[email protected]> Subject: Interesting material Hi All, I was testing a new material for a different purpose and accidentally found that it was very sensitive to humidity/moisture. Might make a good humidity alarm for an industrial process or other application. What do you think? Here is a short video: 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Doug Smith Sent from my iPhone IPhone: 408-858-4528 Office: 702-570-6108 Email: [email protected] Website: 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