Sentences with phrase «thickness of a fingernail»
Scientists in Korea have designed a crablike robot that is smaller than the thickness of a fingernail and powered by contractions of cardiac tissue.
http://discovermagazine.com/
The University of Colorado's Sea Level Research Group decided in May to add 0.3 millimeters — or about the thickness of a fingernail — every year to its actual measurements of sea levels, sparking criticism from experts who called it an attempt to exaggerate the effects of global warming.