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Reply	Anonymous says: sounds like the weave of the jersey is acting as a diffraction grating for the white light source  (no votes) Tags: unanswered, domestic science, human body.
	posted on 2009-05-14 04:37:00 | Report abuse

Reply	Pat says: I would think they are. Just like the "rainbow" diffraction patterns produced when strong sunlight is seen through the eyelashes with almost closed eyes. It is the light travelling between the fibres that interfere with each other to produce the colours of the spectrum. This is why the colour of the fibres themselves is irrelevant to the range of colours seen.  (no votes) Tags: unanswered, domestic science, human body.
	posted on 2009-05-14 15:32:00 | Report abuse

Reply	Bob says: Did either of the previous responders look at the age of the original poster? How many 6 year-old boys know what a diffraction grating is? Let's hope that the parent who I'm assuming posted for him is able to Google a simple explanation.  (no votes) Tags: unanswered, domestic science, human body.
	posted on 2009-05-17 12:57:00 | Report abuse

Reply	Pat says: I did notice the age of the poster, so I made it as simple as I could, mentioning diffraction as the first poster already had. Surely better to offer your own explanation than to be nasty to others, Bob? Go for it! I apologise for the grammatical error in my first post.Science means never making assumptions. Friends, teachers or other relatives could have typed the question for Thomas.  (no votes) Tags: unanswered, domestic science, human body.
	posted on 2009-05-19 00:26:00 | Report abuse

Reply	Anonymous says: The previous answers regarding the weave acting as a diffraction grating are correct.The age of the questioner makes no difference to the scientific reason behind the effect. It's diffraction whether you're aet 6 or aet 60!  (no votes) Tags: unanswered, domestic science, human body.
	posted on 2009-05-22 15:42:23 | Report abuse

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