Word: upstream
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...swimming upstream with a torrent coming down," says Dean of the Division of Applied Sciences Paul C. Martin '53, the chair of the FAS Committee on Information Technology...
...causes us some concern, but it hasn't actually affected our operations in any way," Parker said. "For a few days we had our crew row upstream away from the pollution...
...communication: a single strong signal transmitted down a tree-and-branch system to thousands of passive users who aren't sending any data back. Sending a high-bandwidth signal from head-end to home in such a system is easy; getting thousands of individual signals back upstream--which is what a neighborhood of people E-mailing one another represents--turns out to be a nightmare...
...main culprits are the amplifiers that sit along cable lines, keeping signals strong and clear during their downstream journey. Not only do these amps not work when messages are funneled upstream, they actually degrade signals already under assault from radio interference. "There's far more noise in the coaxial system than any of us expected to see," says a hardware executive who has been close to the cable-modem industry since its inception. "It's really difficult to drive the signals out over these lines. Every trial to date has run into that as a significant problem...
...During the summer, people got sick about two to three miles upstream, but that was in 90-degree heat. If it were really dangerous, the police would be shutting down the sidewalks around there...