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Los Angeles school officials are acknowledging a new looming cost in a $1-billion effort to provide iPads to every student: keyboards. Officials so far have not budgeted that expense, but they said the wireless keyboards are recommended for students when they take new state standardized tests. If keyboards were to be provided for all 650,000 students, the cost could be more than $38 million at current retail prices. It's not clear if the district plans to provide keyboards for all, and officials were not prepared to estimate the cost during a meeting last week of a Board of Education committee that is tracking the iPad initiative.

Researchers at the University of Washington, Rajesh Rao and Andrea Stocco, have created a remote, non-invasive brain-to-brain interface that allowed Rao to move Stocco's finger remotely on a keyboard using his thoughts. "The Internet was a way to connect computers, and now it can be a way to connect brains,"