ESC sequences

Are you addicted? How would you like to test your addiction to the internet? This site will give you an idea of how bad things are. Have you really got a life or are you hopelessly caught up in internet intrigues? www.netaddiction.com/resources/internet_addiction_test.htm

A free minute This is an internet Speakers' Corner, if you like. You ring a number in the United States, Britain or Sweden and leave a message. At some point, that message will be broadcast over a loudspeaker that can be heard from up to 150 feet away. www.onefreeminute.net/

Are you a genius? Two more tests. The best way to do these is quickly, without too much thought. The first one is very odd indeed and I have no idea what it means. The second one is rather more straightforward but would work far better if spoken, in my opinion. www.vsg.edu.au/grafndx/weird.htm

The Blurring test This one will drive you crazy for a long time. Can you persuade a computer that you are human? Give it a try. It is a kind of reverse-Turing test. www.mrmind.com/

Deep Impact Remember the film? This site allows you to input all sorts of parameters about a large object hitting the Earth. You can then click on a button and see what the result would be. Both interesting and frightening. www.lpl.arizona.edu/impacteffects/