The device known as a clock can only measure objective time.

The device measured how much the mattress had gone down and not come back.

The devices also measure the speed and frequency of road traffic.

The device measures your movement during the day and at night.

The device measures your movement during sleep and when you are awake.

No practical device could measure the function in such a region.

The point cloud represents the set of points that the device has measured.

The device measures the rate at which a person can exhale.

The device also measures how fast you can empty your lungs.

This device measures the strength of the Earth's magnetic field in one direction.