A material’s hardness relates to its mechanical resistance when subjected to mechanical indentation by another harder body. Diamond is considered the hardest natural material and is typically used for ...

Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA Society committee, and has a degree in accounting and finance from DePaul University. Vikki Velasquez is a researcher and writer who has ...

The most probable number (MPN) bioburden test method can be a valuable tool for determining bioburden counts when the typical bioburden test methods are problematic on a particular product or when a ...

When first introduced to mechanical testing of composite materials, one can be confused, even overwhelmed, by the number of available test standards. One reason for this large variety of tests is the ...

My March column addressed flexural test methods for composite materials. I noted that the details presented in the various available national and international standards were not mutually consistent ...

For example, an automated haemoglobin analyser allows for reliable, fast, and accurate results in the realm of haematology. A haemoglobin test may depend on a variety of methods, of which some use ...

Heuristic evaluation and usability testing are two of the most established methods to evaluate software for usability. When in doubt, one is the winner. Assessing the ease of use of a software is ...

The Association for Diagnostics & Laboratory Medicine (ADLM) has released updated expert guidance on urine drug testing for ...