Rotation Speed (Aviation Blog)

rotation speed

Flying planes, launching rockets, buying tech and driving a Leaf

Reverse Graffiti: Imagine creating art by cleaning

The Reverse Graffiti Project imbues the guerrilla tactics of street-art with an eco-friendly element, changing the definition of graffiti by actually cutting through and cleaning up grit to leave a lasting impression. The artist scraped through the grit and grime of the tunnel walls to reveal a stunning portrait of a lusher San Francisco. Check this out!

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