News tagged with accuracy

Taking nothing at face value

Photographs of faces may not be adequate proof of a person's identity and this could have serious implications for the accuracy of passport photographs in determining identity. Research funded by the Economic and Social Research ...

Jul 09, 2012 not rated yet 0

New 'pendulum' for the ytterbium clock

The faster a clock ticks, the more precise it can be. Due to the fact that lightwaves vibrate faster than microwaves, optical clocks can be more precise than the caesium atomic clocks which presently determine ...

Mar 09, 2012 4.5 / 5 (11) 1 | with audio podcast