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14 godz. temu · A brain–computer interface (BCI), sometimes called a brain–machine interface (BMI), is a direct communication link between the brain's electrical activity and an external device, most commonly a computer or robotic limb. BCIs are often directed at researching, mapping, assisting, augmenting, or repairing human cognitive or sensory-motor functions. ...
14 godz. temu · The hijacked United Airlines Flight 175 approaching the South Tower (left) as the North Tower (right) burns next to it.. The September 11 attacks of 2001, in addition to being a unique act of terrorism, constituted a media event on a scale not seen since the advent of civilian global satellite links.Instant worldwide reaction and debate were made possible by round-the-clock television news ...
