This week’s essential links

Slate: Who is Grady Harp?
Google Video: The Return of Clockwork Orange
Flickr: The world’s best urban spaces
Arcade Fire (new single): Black Mirror
Cool Hunter: Immaculate Renovations
The Guardian: 12,000 students miss chance of bursaries worth up to £12m
YouTube: Polymer Vision
Ars Technica: Keep the Wii out of PE class