Our Cities Could Become High-Density Solar Power Plants

Solar energy has a dark side. Those gargantuan plants that sprawl out like deconstructed disco balls sacrifice valuable open space and put wildlife, and possibly human lives, at risk. A new study by Stanford researchers says that focusing our solar energy efforts in already-developed urban areas could yield more… » 3/17/15 5:35pm 3/17/15 5:35pm

What it looks like in the Arctic Circle when the Sun never sets

This time lapse shows what 24 hours of a summer day (and I guess, a summer night) looks like in the Arctic Circle. You can see the Sun rising and setting like it normally does anywhere else but instead of disappearing beyond the horizon as the Earth turns, it pops right back up and the world never turns dark. » 3/07/15 6:45pm 3/07/15 6:45pm