The Emissivity Problem: An Analysis of Why IR Thermometers Fail on Transparent Materials

Published on Dec. 6, 2024, 5:07 p.m.

A common point of failure in thermal measurement is attempting to use a standard infrared (IR) "point-and-click" thermometer on…

The Mentor's Guide to Air Purifiers: Decoding HEPA, CADR, and PM2.5

Published on Dec. 7, 2024, 6:30 a.m.

You dust your shelves on Tuesday, and by Thursday, a fine layer is already back. You seared a steak last night, and the smell i…

Forget Square Footage: The Only Number You Need to Know Before Buying an Air Purifier (It's CADR)

Published on Oct. 27, 2025, 8:03 a.m.

You’ve seen the claims on the boxes of air purifiers, perhaps even on the product page for a unit like the AZEUS GL-FS32: "Clea…