The carpenter singing his, as he measures his plank or beam, The mason singing his, as he makes ready for work, or leaves off work;

VOA: special.2009.04.12

Optical correlators, meanwhile, work by encoding images on to a beam of light and, using a special lens, transforming them into their Fourier components building-blocks that encode the thickness and direction of lines in the image, but not their position.

ECONOMIST: Optical recognition

Controllers are still activating Curiosity's instrument package, and all antennas that will beam back data to JPL "work perfectly, " mission manager Jennifer Trosper said Wednesday.

CNN: Mars rover captures nearby rocket 'footprint'

Managing stress takes a lot of work on top of training to become the fastest hurdler in the world or the best on the beam.

CNN: The highs and lows of the 2012 Olympic 'crying games'