Year: 2014

Displaying Multiple RSS Feeds with PHP

I would like to make a webpage that displays the titles of the most recent posts from multiple blogs in a single list, ordered by the date from newest to oldest. There exists a nice tutorial about reading the information

Posted in Computers Tagged with: , ,

Inverted Earth with the same volume of oceans

Everyone knows about the inverted Earth where seas become land and land becomes seas, but that’s quite boring. Last April there was an interesting question posted at the Finnish Wikipedia’s “ask anything” discussion page. Just like the basic inverted Earth,

Posted in Science Tagged with: , , ,

Perspective rectification

This is a cool perspective rectification method that I learnt last week. It probably has also a lot of other useful applications in addition to this one. Figure 1. When cataloging uncommon books at LibraryThing, one can often notice that

Posted in Books, Science Tagged with: , , ,