Link roundup

1. "The tall, sleek, curving Vdara Hotel at CityCenter on the Strip is a thing of beauty. But the south-facing tower is also a collector and bouncer of sun rays, which -- if you're at the hotel's swimming pool at the wrong time of day and season -- can singe your hair and melt your plastic drink cups and shopping bags."

2. Octopus with Tron-like lights around the edges of its tentacles.

3. Racial and ethnic clusters mapped out in Los Angeles. Via.

*Buy Tron toys at Amazon.