One of the reasons Nelson defeated the French at the Battle of Trafalgar was the British ships had copper bottomed hulls. The reason? Copper is toxic and no living thing can grow on it, so all the barnacles and limpets and seaweed couldn’t grow on the hull and slow it down. Thus the British ships [...]

In the past I removed the “nofollow” tag on my comments. This was to encourage comments and to reward regular commenters with a link. The problem is that I don’t have time to go check out the website in the comment link and as Google will penalise if I link to a bad neighbourhood I [...]

Some people have mentioned how come I’m not blogging. A number of reasons, the main one being a family tradegy unfolding which makes everything tinged with sadness. Without going into details as I don’t feel this is the right place, my ability to work has been severly hampered by personal issues. Also, I have become [...]