tag:blogger.com,1999:blog-10348701.post116318126194599370..comments2024-03-13T21:26:03.011-07:00Comments on Right on the Left Coast: Views From a Conservative Teacher: Cool Story--And Another Myth ShatteredDarrenhttp://www.blogger.com/profile/15730642770935985796noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-10348701.post-1163197868587279912006-11-10T14:31:00.000-08:002006-11-10T14:31:00.000-08:00The Great Wall myth is that the wall can be seen b...The Great Wall myth is that the wall can be seen by the naked eye from the moon.<BR/><BR/>The myth reveals a lack of critical-thinking (and/or understanding of optics) among its believers. The length of an object cannot make it visible from a distance. A single strand of long blonde hair cannot be seen from across the room. The hair may be three feet long and the room only 30 feet deep. Nonetheless, the hair is invisible from that distance. <BR/><BR/>A wall could be made to span the entire length of the Asian continent and remain invisible to the naked eye from space.<BR/><BR/>If it is to be seen, it must be great in two dimensions, not just one. The wall may continue many miles in length, but it is not even one mile in width.<BR/><BR/>Anyway, the myth has been <A HREF="http://www.snopes.com/science/greatwal.htm" REL="nofollow">Snoped.</A>Anonymousnoreply@blogger.com