Science news articles about 'supermarket scanner'

... as currently practiced churns out some results as inaccurately as a supermarket checker scanning an apple and ringing it up as an orange ... foresee a future handheld device like a supermarket scanner – a machine that would sequence a DNA ...

... and controllable shining beam of laser light in which all the photons have the same frequency and rate of oscillation. From supermarket scanners to DVD players, surgery, manufacturing ...

... "DNA barcoding" that uses small snippets of DNA to distinguish between species, in much the same way that a supermarket scanner uses the black lines in a barcode to identify ...

... . Today, lasers can be found almost everywhere, from telephone lines to cutting edge scientific research, supermarket scanners, and even cat toys ...