Coded TCP

Testing the system on Wi-Fi networks at MIT, where 2 percent of packets are typically lost, Medard’s group found that a normal bandwidth of one megabit per second was boosted to 16 megabits per second.

In a circumstance where losses were 5 percent—common on a fast-moving train—the method boosted bandwidth from 0.5 megabits per second to 13.5 megabits per second.

http://www.technologyreview.com/news/429722/a-bandwidth-breakthrough/

Fracking is water pollution

After the Environmental Protection Agency (EPA) had confirmed fracking was generating water pollution, it’s now the United States Geological Survey (USGS).

The presentation took place during this event: “The changing outlook for U.S. energy : will shale gas transform America’s future ?”

organized by the “Howard Baker Forum”and the “Lawrence Livermore National Laboratory”.

Links: http://www.epa.gov/region8/superfund/wy/pavillion/EPA_ReportOnPavillion_Dec-8-2011.pdf http://pubs.usgs.gov/ds/718/ http://docs.nrdc.org/energy/files/ene_12050101a.pdf

Mysterious Algorithm Was 4% of Trading Activity Last Week

http://www.cnbc.com/id/49333454

“Just goes to show you how just one person can have such an outsized impact on the market,” said Eric Hunsader, head of Nanex and the No. 1 detector of trading anomalies”

“The scariest part of this single program was that its millions of quotes accounted for 10 percent of the bandwidth that is allowed for trading on any given day”

“I feel a tax on order-stuffing is what the markets need at this point,” said David Greenberg of Greenberg Capital. “This will cut down on the number of erroneous bids and offers placed into the market at any given time and should help stabilize the trading environment.”