article_snippet.sent: Scroll down for video .
article_snippet.sent: The findings and conclusions were made by materials scientist Ryan Consell in the latest Reactions video for Washington-based American Chemical Society.
article_snippet.sent: As Mr Consell explained in the video: 
article_snippet.sent: And if the matrix wasn’t  consistent, the matrix might have swirls of grey running through the blade .
article_snippet.sent: If the folding is done correctly, you don’t have visible ripples so that’s kind of out.'