Sentences with phrase «scales are visible to the naked eye»
Scales are visible to the naked eye; more remarkable, electron microscopy reveals double - layered skin similar to that of modern animals, and possibly even the outlines of cells.
http://discovermagazine.com/ Not exact matches
Shoppers can go fairly low on the clarity scale before inclusions or blemishes are visible to the naked eye, but cuts with large flat surfaces (like emerald shapes) are often less forgiving.