Robo Rainbow | Cool Material

Robo Rainbow

Described as “a complicated technical solution to aide in simple acts of vandalism” the Robo Rainbow was created to tag up the streets with the perfect rainbow. It’s a cool idea and a nice gesture (considering he could have rigged it to draw something vulgar) but what would have been really great is if it was a double rainbow machine.

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The sweetest sound of summer is the sizzle of grilled meat. This week, we’re celebrating that fact. We’ve got features that will help you select your next grill, whip up the best barbecue sauce you’ve ever tasted, accessorize your next hot dog with the weirdest—and greatest—toppings, and much more.

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