A breathalyzer or breathalyser (a portmanteau of breath and analyzer/analyser) is a device for estimating blood alcohol content (BAC) from a breath sample. Breathalyzer is the brand name 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 device for estimating blood alcohol content.
The deadline to file your federal taxes is coming up, and this year Americans will spend more than 7 billion hours preparing their taxes and will hand over more than four trillion dollars to federal, state and local governments.
While the burden of complying with all those words has been calculated in different ways, Olson multiplied the IRSâ own estimates of how much time taxpayers spend collecting data for and filling out each individual tax form by the number of forms filed to estimate that Americans (both individuals and businesses) spend 6.1 billion hours a year complying with the code.