Two great examples of persistence of vision. One is at the planned public library in Minneapolis where LED’s on the outside of the lift reveal letter by letter words describing the titles of books being checked out. The second came via Make magazine – one for the kids – SpokePOV –

From Arup Bike User Group – gmap-pedometer. You can plot routes, work out distances and even get plots of elevation along the route – great for cycling.

Came across mashups of earth lights on google maps and Moon maps showing moon landings – excellent. On the former i was amazed to see the comparison of light levels in Middlesbrough and the NE compared to London and SE.

This technology has been around for 30 years (Mecanum wheel, Wikipedia) or so but this is the first time I have seen it in action. The movie is much more compelling than an image or sketch of the concept. [from – Signal vs. Noise by 37signals]