Determining the passage of time in our world of ticking clocks and oscillating pendulums is a simple case of counting the seconds between 'then' and 'now'. Down at the quantum scale of buzzing ...

Smartphones today can do anything you can imagine, apart from just voice calls and text messages. Amidst the sea of things they can perform, smartphones can also measure the length of any object.

Add Yahoo as a preferred source to see more of our stories on Google. A time lapse image of a clock's hands and face. Determining the passage of time in our world of ticking clocks and oscillating ...