To commemorate the anniversary of the signing of the Metre Convention in 1875, Metrology Day is celebrated on 20 May each year. Metre Convention was an international treaty signed in Paris which ...

The next time you pick up a bag of spuds from the supermarket or fill up the car with petrol, you can thank a treaty signed 150 years ago for the metric system that underpins daily life. On May 20, ...

As 3D NAND continues to scale vertically — all in the name of increasing capacity and speed and reducing inefficiency and cost — maintaining channel hole critical dimension (CD) and shape uniformity ...

In the world of nanotechnology, where structures are measured in billionths of a meter, precise imaging and measurement techniques are essential. Critical Dimension Scanning Electron Microscopy ...

It is a stringent requirement for all quality systems to calibrate the equipment used for measurements. The International Vocabulary of Metrology defines the term calibration as an “operation that, ...

Frequency combs, optical clocks and quantum techniques that go beyond classical limits are all making photonics a powerful tool for understanding and defining our universe in ever-greater detail. On ...

Multiple studies have extolled the benefits of napping, such as enhanced memory and focus. A mid-afternoon siesta is the norm in parts of Spain and Italy. In China and Japan, nodding off is encouraged ...