A tone matrix on-line that works in real time. Entertain yourself for hours and drive the neighbours nuts with your improvisations! Left to right represents time, top to bottom represents pitch. This means that you can do some fairly amazing musical tricks with not too much knowledge. The illustration on the left gives an idea of what to do - just touch the cells in the matrix to start or stop them chiming.

Op-Art. This became immensely popular during the 1960's. Here you can see some of those mind-boggling images that deceive the eye. Staircases that keep on going up (or down!). Black and white images that look as if they have colours in them. Static images that appear to be moving. It's all here.

Banksy is one of the most prolific and imaginary street artists in Britain. His official website can keep you entertained for hours. It is almost certain to drain your battery completely if you are watching on a mobile device and don't keep an eye on the icon. Banksy's work is not restricted to just the street however, as you will discover.

Real-time moon phases and up-to-date info on the phase of the moon, pecent illuminated and time and date of the last and next full and new moons. This site also has a world sun clock that shows the seasons, dawn and dusk in real time. It even has a 3 hourly update of satellite imagery of the clouds. You will be able to see how the British Isles seem to suck in the clouds from both east and west, giving us one of the poorest climates in the world.

Fallas from Valencia. One of the most impressive fiestas on the planet, to celebrate Valencia's patron saint St. Joseph. Over 360 groups each one representing a neigbourhood of the city or one of the outlying villages work all year round preparing for Fallas, which runs officially from 12th to 19th of March, with the 19th being the culmination of the fiesta on St. Joseph's day.

As every Irish person reading this will have realised, St. Patrick's day is right in the middle and yes, the Valencians gather in style around the local Irish pubs to celebrate that as well!