On Friday, May 6, I defended two project proposals before my PhD committee and was advanced to PhD Candidate. The first proposal was to build a series of natural experiments to determine the reliability of LoRa communications in forested, rugged terrain (i.e. Western and High Oregon Cascades). The goal of Read more
Yesterday I read an excellent article written in 2016 by Amy Trappey (LinkedIn) and others at the Department of Industrial Engineering and Engineering Management, National Tsing Hua University in Taiwan for Elsevier’s Advanced Engineering Informatics Journal [1]. The purpose of the paper was simple, to lay out the major standards Read more
I purchased a 3.7V cellular battery from an Amazon supplier a few months ago. Red = positive and black = ground, correct? Sure. A couple weeks afterward the company threw away an $85 modem board. Cause of failure: the battery leads had reversed polarity. A few days ago I took Read more
This week I needed to use some screws for an outdoor project. Initially I chose to use door hinge screws because I had a bunch of them on hand. After I thought about it some, I decided to purchase self-tapping zinc-coated screws under the impression that these would not be Read more
Today someone told me that the application of PVC primer prior to the application of PVC cement is not necessary since the pipe will not be used for liquid transport. Is this true?The PVC cement instructions call for the application of primer, but provides no amplification on such conditions where Read more