date:Jun 26, 2013
in the skin surface, according to Europe's Laser Mark project (in which Laser Food is a partner). The idea has been around for a while the USDA's Agricultural Research Service investigated laser etching in 2009, and the Laser Mark project has been promoting the technology since 2010 but only in the past year has the technology spread from Spain to gain traction in France, Italy and Poland.
It's not hard to see the advantages of such a system: Tattooing fruits and vegetables obviates the need