It is ill-advised to look at the Sun with the naked eye.
__________________
"Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
On the Simpsons a couple of days ago , Bart advised that you could find East (yes East ) if you keep staring at the sun . I would suggest that this will leave you looking West (with what remains of your eyeballs ).
__________________
For sale - Signature space. Apply on self addressed postcard..
astronomer in europe reports that they find a new planet which is weight 5 times than our earth is suit for our human live. because it could has water in it.
What we see things in the nature are all stereo images, because we use our two eyes, they deliver infomation to our brain to form stereo image.
From this poit, people invent many methods to observe flate picture as stereo.
the ealies one is that we describe above. double glasses, an example as shown at right. if you see by your eyes, it seems there are some litttle red and blue colours.
2]polarization glasses; its made of polarization glass,
we know the light can be divided into two orthotomies, we use the glasses to watch the image which consist of two parts lighting by corresponding polarize light.
3] lcd glasses; which is made of lcd, we use electric signal control its switch to watch a image, which is shot by a binocular camera.
4]use our ordinary eyes with out any gslsess, its very interesting. we describe bellow