Surfs up!
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What do an oscillating water column, "tapchan," and a pendulor device have in common?
They're all methods of producing wave power, and they all hold promise to bring us the potential two terawatts (1 terawatt = 1 trillion watts) of electricity that renewable energy analysts say exist beneath the ocean surface.
Protecting the Earth is serious business for a radical group of environmental and animal activists dubbed eco-terrorists. Who are they? Why does the FBI consider them a top priority?
While archaeological digs are still hands-on projects, some computer programs can help piece together a more complete picture of the site and even what its inhabitants might have looked like. What else can the software tell us?
