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We've improved Slashdot's video section; now you can view our video interviews, product close-ups and site visits with all the usual Slashdot options to comment, share, etc. No more walled garden! It's a work in progress -- we hope you'll check it out (Learn more about the recent updates).

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Comment: Re:if it doesnt work (Score 1) 464

by CWCheese (#48719535) Attached to: Ask Slashdot: Are Progressive Glasses a Mistake For Computer Users?
Coke bottle glasses are referring to the thickness of the glass lenses when viewed from the edge, they looked quite a lot like the thick bottoms of the classic greenish glass Coca-Cola bottles before Coke moved to the plastic containers. Polycarbonate has severely reduced the thickness of lenses so it's rare to truly see those inch-thick (25.4 mm for you Euro folk) monstrosities nowadays. As to progressives (really just bifocals without the dividing line) and computer screens, I've had to suffer the indignity of age and have worn them for nearly a decade. Still bobbing and weaving to find the best focal position, but that's not really a major issue, there are other worse things in life.

Comment: Re:what? (Score 1) 138

by CWCheese (#48374593) Attached to: Google's Lease of NASA Airfield Criticized By Consumer Group
Actually, Google did *some* work for NASA but mainly enjoyed the perk of buying lower cost jet fuel through the NASA contracts, much less than they would have paid on the commercial market. When it came to light that the vast majority of their air flights weren't NASA work-related at all, the scandal ensued.

Comment: Re:Haha, very funny... (Score 1) 136

by CWCheese (#48370903) Attached to: Study Shows How Humans Can Echolocate
It's not just navigating in pitch darkness, echo location is useful for all manner of things. How many times have you talked to an auto mechanic about a problem and he asks you 'where did you hear the noise...' to narrow down the location of the issue? It is extraordinary to be able to control it and use it more directly.

Comment: Re:California (Score 1) 264

by CWCheese (#48327061) Attached to: We Are Running Out of Sand
California does indeed have this problem occasionally. During the recent summer, there were 3 or 4 hurricanes along the coast of Baja, which were quite powerful but not strong enough to travel all the way to the US coast of California. However, the enormous waves generated in those hurricanes were some of the largest seen in many decades, with swells over 20 ft (7 meters) for days at a stretch. These waves eroded great sections of beach sand, especially at the city of Seal Beach, allowing tides and swells to flood Seal Beach one night. Fortunately for Seal Beach, there was sand available from river dredging in Orange County which was given to rebuild the sand berms and levees to restore protection from future storms. Ordinarily that sand would have replenished itself as the rivers carry it to the deltas into the ocean, but that would have taken several years.

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