If you've ever seen an offshore oil rig floating in the ocean, you've probably noticed those tall towers with flames shooting out of the top. Those towers are called the flare stack, and the flames ...

Try as so many private and government organizations might, switching everywhere on Earth over to clean, renewable energy -- including some strange sources being explored-- is still a long way away.

When you think about offshore oil rigs, what comes to mind is what you may have seen in movies — skeletal towers in the middle of a vast sea, some flares cutting through the darkness, and a crew that ...