1.) Undersea communications cables could be used as a tsunami warning system.
2.) Are wind farms less efficient than we think?
3.) Smart mud made of water and clay could be the new plastic.
4.) If you're a U.S. citizen, you are now officially an investor in Tesla Motors.
5.) Greenpeace rates Nokia as the greenest electronics company. The worst? Nintendo.
This post was originally published on Smartplanet.com