In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Magnetic resonance imaging (MRI) image demonstrating a back herniated disk.
Pulse oximetry. The small device provides a digital readout of oxygen levels in the blood.
Portable digital refractometer.
Diagnostic Imaging Procedures and Conditions Diagnosed or Treated Cont
A digital storage oscilloscope can be easily connected to an injector by carefully back-probing ...