Sketchup from Google
Sketchup is a Cool 3D modelling tool from Google. It has both free and professional versions. The
features demo is cool.
Walking on water...
Even if most humans can't walk on water, there is a
robot which can do it now.
Unique Maps
Worldmapper is an interesting site that shows world maps resized according to the area of interest. For example - China and India are shown as the largest countries in terms of population.