Question and Answers

[year2027]

God first

thanks everybody

Question and Answers

question

Is it possible that there are colors that we cannot see and imagine because our eyes evolved in such a way that they cannot pick up those wavelengths?

Related:

Read more: Is it possible that there are colors that we cannot see and imagine because our eyes evolved in such a way that they cannot pick up those wavelengths? | Answerbag http://www.answerbag.com/q_view/45452#ixzz0wvEyqnvN

answer There are many animals and insects which see in the infrared or ultraviolet parts of the light spectrum, which we cannot see. In all likelihood they are perceiving them as colors which we would not be able to put a name to. For instance, it has been demonstrated with flowers painted with "invisible" (to us) ultraviolet dyes, that bees see several ultraviolet wavelengths and are attracted to these more "colorful" (to them) flowers. Indeed, testing has shown that many flowers in nature have pigments which react in the ultraviolet in ways we simply can't see (we can't distinguish where in the flower petals those pigments are), but which seem to grow in complex, symmetrical patterns just like the color pigments which are visible to us, and those patterns do seem to be attractive to bees.

Read more: Is it possible that there are colors that we cannot see and imagine because our eyes evolved in such a way that they cannot pick up those wavelengths? | Answerbag http://www.answerbag.com/q_view/45452#ixzz0wvEIUwnA

just for fun

with love and a holy kiss Roy

[Human without the bean]

Absoltutely Year 2027 without even looking at your link. I can only wish that I had Adam's vision before the fall. Unblemished, and ultra red.

Edited August 18, 2010 by Human without the bean

[year2027]

God first

thanks Human without the bean

I rather have ultra blue with ultra pink spots

How you doing my friend

question

Can sound be heard in a vacuum?

answer

Sound consists of mechanical vibrations within a medium (such as the air). Within a vacuum, there is no such medium, and thus no sound. However, solid objects will still vibrate in a vacuum, and an observer in direct contact with a vibrating object would be able to "hear" these vibrations despite the lack of air.

Read more: Can sound be heard in a vacuum? | Answerbag http://www.answerbag.com/q_view/79925#ixzz0wvOtmt5J

with love and a holy kiss Roy