If you are unable to do the treadmill test, the technician will instead inject you with a chemical that will elevate your heart rate without physical exertion.

FORBES: My Visit with a Cardiologist, and What You Should Know About Your Heart

An ultrasound technician was conducting the test as the audience saw real-time images of the fetus on the large screen.

FORBES: Cisco CEO Shares the Stage at CES

When a lab is ready to run a test, months or years later, a technician retrieves the plate from storage, then simply pops out one or more of the wells.

FORBES: The DNA Bar Code

When the technician wired all of the 16 sensors for the test backward, Capt.

FORBES: Applying Murphy's Law To Retirement