11.   Benzinger then built a larger version of the microcalorimeter, the human calorimeter, which measures the amount of heat radiating from a person.

12.   A new test that measures the amount of HIV in the blood was reported to be a better way to predict the progression from infection to AIDS and survival.

13.   A wrist device will record movements while awake and asleep, and a fingertip sensor will measure the amount of oxygen in the blood.

14.   After several months the scientists collected the bags and measured the amount of decay.

15.   But the tampons turned out to be too crude to measure the amount of vaginal secretions.

16.   By measuring the amount of folding, the green light test could provide one clue for scientists to tell whether such evolution is heading in the right direction.

17.   By measuring the amount of current passing between a sharp microscopic silicon tip and a surface, the new microscope generated the first images of individual atoms.

18.   Capacity utilization, or the plant-use rate, measures the amount of industrial capacity in use.

19.   Each pixel measures the amount of light falling on it and a computer can assemble the elements into an image.

20.   He invented the Oeschger counter, a contraption that measures tiny amounts of natural radiation.