Month: December 2020

Blue water wallpaper

Water

TDS in water? How TDS meter work? Total dissolved solids (TDS) are the amount of organic and inorganic materials, such as metals, minerals, and ions, dissolved in a particular volume of water. When a solvent, such as water, encounters soluble material, particles of the material are absorbed into the water. TDS in water can come from just about anywhere, including… Read more →

Breathalyzer

​​​A breathalyzer or breathalyser is a device for estimating blood alcohol content (BAC) from a breath sample. Breathalyzer is the brand name (a genericized trademark) for the instrument that tests the alcohol level developed by inventor Robert Frank Borkenstein. It was registered as a trademark on May 13, 1954, but many people use the term to refer to any generic… Read more →