Jeffrey Goldberg writes for the Atlantic about his recent experiences with opting out of the back-scatter full-body scanners now being used to screen airport travelers. Passengers can choose to submit to a pat-down instead of going through the scanners, but according to one of the TSA employees Goldberg talked to, the rules for those are soon changing to make things more uncomfortable for opt-outs, while not doing much for actual security. He writes, 'The pat-down, while more effective than previous pat-downs, will not stop dedicated and clever terrorists from smuggling on board small weapons or explosives. When I served as a military policeman in an Israeli army prison, many of the prisoners 'bangled' contraband up their a**es. I know this not because I checked, but because eventually they told me this when I asked. ... the effectiveness of pat-downs does not matter very much, because the obvious goal of the TSA is to make the pat-down embarrassing enough for the average passenger that the vast majority of people will choose high-tech humiliation over the low-tech ball check."

eldavojohn writes "According to the Number Resources Organization, they will have issued their final twelve IPv4 blocks in a few months. Each block is 16 million addresses and represents 1/256th of the total addresses issued. We are now down to 12 blocks left in the global pool for issuing to Regional Internet Registries, who will then assign the last addresses that will run out sometime later in 2011. The pool of free addresses works out to be less than half of where we were in January. The new numbers from the NRO indicate estimated global pool IP address exhaustion in a few months, a year earlier than they estimated at the beginning of 2010."

kkleiner writes "Kevin Warwick, once a cyborg and still a researcher in cybernetics at the University of Reading, has been working on creating biological neural networks that can control machines. He and his team have taken the brain cells from rats, cultured them, and used them as the guidance control circuit for simple wheeled robots. Electrical impulses from the bot enter the batch of neurons, and responses from the cells are turned into commands for the device. The cells can form new connections, making the system a true learning machine."

pdragon04 writes "After a new technology is introduced to the market, there is usually a predictable decrease in price as it becomes more common. Laptops experienced precipitous price drops during the past decade. Digital cameras, personal computers, and computer chips all followed similar steep declines in price. Has the price of broadband Internet followed the same model? Shane Greenstein decided to look into it. "