Example sentences of "invisible to the eye " in BNC.

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1 The Cruz Twinkick concave [ as it 's known ] is a complex concave , and it 's not just ‘ concave ’ in profile , a very slight rise running through the length of the deck is invisible to the eye but you can feel a more comfortable footlock when you stand on it .
2 But this alone will not purify your water of waste products that are invisible to the eye .
3 The imprint is invisible to the eye , but it is shown clearly using the Kirlian technique .
4 Invisible to the eye , these rays can be picked up by sensitive custom-built detectors .
5 The species of angler fish that lives in the Sargasso Sea is blotched and betasselled in a way that matches the floating sargassum weed so closely that the angler is virtually invisible to the eye of a human being , just as it is to that of a small fish , a shrimp or any other marine creature that might drift through the surface waters of that stagnant sea .
6 Also there was no other way to express her sense of something having arrived from somewhere else , something normally invisible to the eye choosing to put on a human form .
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