Colour issue with sight

One of the issues that has often interested me is do we all share a common experience of colour. Is what i see as red what another person would call red. The main reason that this has often concerned me is that there is no possible way to know whether or not we experience colours the same way. For all we know colour is unique to each one of us. This is a nice thought however either way it makes no difference what so ever. As long as one can distinguish between 'their' different colours there is no issue with whether or not that colou is different in another persons eyes. 

Theories Of Meaning

Q: How would you explain to a blind person what the word 'red means'?

This is no easy task to carry out. People with sight sometimes have trouble describing colours to one another so to do so to someone who has no sight is even more difficult. In all honesty you cannot actually describe 'red' means. It can only be done by comparing it to other colours. Possibly the only way to go about doing this would be to talk about what that colour may represent to a person. For instance red is often associated with harshness or anger. It may also be easy to associate red with an intense heat. On the other hand red is often associated with love. I'm sure this would raise a question such as, 'how can it represent love and anger?'. This is a limitation of definitions. The problem is that the two people involved have no common frame of reference to draw upon from one another.

Significance of Memory in a knowers perspective.

This post is in relation to the film we've watched recently in TOK, Chris Nolan's 'Memento'. The Film is about a man, Leonard, who is on a pursuit for revenge after an incident involving the 'death' of his wife. The twist being that Leonard suffers from short term memory loss, to combat his problem he uses photographs and tattoos to 'remember' important things. A problem arises in that everything that Leonard thinks he knows is derived from theses photographs/tattoos. It comes to light at the end of the film that Leonard has already caught and killed the man that harmed his wife. He in fact started this false case of his by using these memory tools. This raises the question of how important memory is a knowers perspective. As it turns out it is extremely important. Due to the fact that these false memories had been created Leonard ended up killing innocent people. These photographs and tattoos also show us how memory can be distorted over time (although on a short scale here). Leonard is certain he knows what he knows, it is true he does know these things. However these things he knows are not true. This shows us that memory is a key factor in determining the truth behind knowledge. One persons memory of the same event could be very different to the memory of someone else. This depends on their own perspectives and their way of knowing. Leonard's way of knowing was through the pictures, others may use different methods. The beauty of it was though that Leonard had the ability to change what he knew without even remembering he had done so, meaning he could keep himself happy by continuing his already completed quest.

Does Privacy Exist Anymore?

As far as I know they're used to be a thing called privacy. One could have all their personal information and keep it to themselves as well. Then comes along the internet and... boom there goes your privacy you once had. This lack of privacy is most prominent through Facebook. We may 'think' that all our personal information 'is private' as millions of us pump it into the social-networking giant. But at the same time it could then be pumped on to a third party applications that use this information. Now i'm not one to complain about Facebook because I honestly don't know where we as a generation may be without it. The scary thing however is that someone I don't know  may know something about me. Some people may like this in fact it is argued that most teenagers are on Facebook simply for the fact to get their information out there, so they can feel special about themselves. Think about it, you're given your own web page where you have the ability to write down everything you like about yourself and let others to know about how important you are. In reality though what you are telling your 'friends' may not be tthe truth, or perhaps just a distorted version of the truth. This relates back to the topic of trusting our beliefs or what we know.