The mainstream types of chipless tags are digitally encoded and work at more than one millimetre range, like silicon chips. Their potential markets go beyond the lowest cost-highest volume potential markets because they have other attributes beyond cost.
or red shift. noun, Astronomy. 1. a shift toward longer wavelengths of the spectral lines emitted by a celestial object that is caused by the object moving away from the earth. Compare cosmological redshift, Doppler effect, gravitational redshift. Origin of redshift.
sift. 1  to separate and retain the coarse parts of (flour, ashes, etc.) with a sieve. 2  to scatter or sprinkle through or by means of a sieve: to sift sugar onto cake. 3  to separate by or as if by a sieve. 4  to examine closely: The detectives are still sifting the evidence. 5  to question closely. 6  to sift something.