"The Earth tide is a little-known daily event, similar to the oceans' more familiar tides. But the sun and moon's gravity doesn’t just pull on water, it deforms the Earth itself, causing the ground beneath us to bulge toward the pulling heavenly body." [more inside]
posted by Paragon on Mar 10, 2011 - 12 comments

Green electricity from the artificial, tethered ray (the fish, not the beam). Video here.
posted by megob on Mar 2, 2011 - 21 comments

The Wave Motors of California. "Still embedded somewhere in the shores of California, buried by more than a century of sand, are lost hydroelectric machines." Further reading.
posted by dersins on May 7, 2009 - 26 comments

@metatweetfilter Can you believe digerati like John Battelle bought into shilling Proctor & Gamble for the price of a ticket to Cincinnati?! [more inside]
posted by humannaire on Mar 12, 2009 - 66 comments

Mention Whirlpools, and people tend to assume you're talking about a Jacuzzi. But not all whirlpools man-made. When powerful tidal currents are forced between a narrow fjord, and then come up against another current traveling in a different direction, the result is a large water vortex. Being tidal means they are predicable. Some of the more famous whirlpools are the Corryvreckian(Scotland), "Old Sow" (Canada), Moskstraumen and Saltstraumen (Norway), and the Naruto (Japan). Notice how they each claim to be the largest of them all. ...Just one more thing to ponder the next time you pull the chain
posted by BentPenguin on Aug 11, 2002 - 14 comments

Hey, it's a clever flash game ... umm ... something's off here. Never a sucker for banner ads, I click on an ad from Yahoo for some type of "advertising trivia" game. Cool enough, but it seems all of the questions are about laundry products, P&G laundry products. The capper came when the started streaming a Tide ad as part of the "game." So naturally, the whois is some entity in Cincinnati.

Jeez, do I feel like a simp.
posted by foist on Dec 12, 2001 - 8 comments